网络安全外文翻译文献

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高一必修二作文网络安全英文

高一必修二作文网络安全英文（中英文版）Title: The Importance of Cybersecurity: A Composition for High School Students in Compulsory Course IIIn the digital age, cybersecurity has become an increasingly significant concern that cannot be overlooked.With the prevalent use of the internet, the vulnerability of our personal information has never been more pronounced.It is imperative for high school students, as digital natives, to comprehend the gravity of this issue and take necessary precautions.在数字化时代，网络安全已经成为一个日益重要、不容忽视的问题。

随着互联网的广泛应用，我们的个人信息暴露在极大的风险之中。

作为数字时代原住民的高中生，必须深刻理解这一问题的严重性，并采取必要的预防措施。

The array of risks lurking online ranges from identity theft to data breaches, from phishing scams to malicious software.The convenience of technology comes with a price, and that is the potential exposure to these cyber threats.Therefore, it is crucial to cultivate good cybersecurity habits to safeguard our digital lives.网络中潜藏的风险多种多样，从身份盗窃到数据泄露，从网络钓鱼诈骗到恶意软件。

网络安全范文英语

网络安全范文英语English:In today's digital age, cybersecurity has become a critical concern for individuals, organizations, and even nations. The increasing reliance on technology and connectivity has opened up numerous vulnerabilities and potential threats that can compromise sensitive data and disrupt operations. Cyberattacks have become more sophisticated, with hackers constantly finding new methods to exploit weaknesses. As a result, ensuring network security has become a top priority.To effectively address network security challenges, organizations must implement robust cybersecurity measures. This includes regular security audits and risk assessments to identify vulnerabilities and weaknesses in their systems. They should also establish and enforce strong passwords and access controls, ensuring that only authorized personnel can access sensitive information. Additionally, organizations need to invest in robust firewalls, antivirus software, and intrusion detection systems to detect and prevent unauthorized access attempts.User education and awareness also play a crucial role in maintaining network security. Employees should be trained on best practices for using technology and recognizing potential security threats, such as phishing emails or suspicious websites. Regular training sessions and awareness campaigns can help employees stay up-to-date with the latest cybersecurity trends and techniques. Moreover, organizations should regularly update their systems and software to patch any vulnerabilities and protect against emerging threats.Collaboration and information sharing are vital in addressing network security issues. Organizations should actively cooperate with industry partners, government agencies, and law enforcement to share threat intelligence and best practices. This interchange of information enables a proactive and coordinated response to emerging cyber threats. Moreover, international cooperation is essential as cybercrime knows no borders, and cross-border collaboration is crucial in combating cyber threats that have global reach.In conclusion, network security is of utmost importance in today's interconnected world. Organizations must invest in robust cybersecurity measures, educate their employees, and actively collaborate with partners and agencies to effectively address cybersecurity challenges. By doing so, we can ensure the protectionof our valuable data and maintain the integrity and availability of our networks.中文翻译：在当今数字化时代，网络安全已成为个人、组织乃至国家的重大关切。

网络安全管理制度英文文献

Abstract: With the rapid development of information technology, the importance of network security has been increasingly recognized. In this paper, we discuss the establishment and implementation of a network security management system, aiming to enhance the security level of network systems and protect the interests of users. This paper is divided into four sections: the importance of network security, the components of a network security management system, the establishment process, and the implementation strategies.I. IntroductionNetwork security refers to the measures taken to protect the integrity, confidentiality, and availability of network resources and data. In recent years, with the rapid development of information technology, network security has become a hot issue in the field of information security. The establishment and implementation of a network security management system is essential for organizations to ensure the safety and stability of their network systems.II. Importance of Network Security1. Protection of information: Network security can prevent the unauthorized access, modification, and deletion of information, ensuring the confidentiality and integrity of data.2. Protection of network resources: Network security can prevent network resources from being occupied, attacked, or destroyed by malicious software, viruses, and hackers, ensuring the normal operation of network systems.3. Protection of users: Network security can prevent users from being affected by malicious software, viruses, and hacker attacks, ensuring the normal use of network services.III. Components of a Network Security Management System1. Security policies: Establish and implement network security policies, including user access control, information classification, and data backup and recovery.2. Security technology: Utilize various security technologies, such as firewalls, intrusion detection systems, and encryption algorithms, to protect network resources and data.3. Security management: Establish a network security management organization, define security roles and responsibilities, and implement security training and awareness programs.4. Security monitoring: Set up a network security monitoring system to detect and respond to security incidents in real-time.IV. Establishment Process1. Needs analysis: Identify the network security requirements of the organization, including the protection of information, network resources, and users.2. Policy formulation: Develop network security policies based on the needs analysis, including user access control, informationclassification, and data backup and recovery.3. Technical selection: Choose appropriate security technologies and products to meet the security requirements of the organization.4. Organization establishment: Establish a network security management organization, define security roles and responsibilities, and implement security training and awareness programs.5. Implementation and testing: Implement the network security management system and conduct testing to ensure its effectiveness.V. Implementation Strategies1. Regularly update and optimize security policies and technologies to adapt to the changing security environment.2. Strengthen security monitoring and incident response capabilities, ensuring timely detection and handling of security incidents.3. Conduct regular security training and awareness programs for employees, enhancing their network security awareness and skills.4. Establish a cross-departmental security cooperation mechanism, ensuring effective communication and collaboration in network security management.ConclusionThe establishment and implementation of a network security management system is of great significance for organizations. By following the establishment process and implementing the corresponding strategies, organizations can effectively enhance the security level of their network systems and protect the interests of users.。

网络安全参考文献

网络安全参考文献网络安全是指保护计算机系统和网络资源免受未经授权的使用、破坏、更改或泄露的威胁。

随着互联网的普及和计算机技术的发展，网络安全问题变得越来越重要。

以下是一些关于网络安全的参考文献，供参考：1. "Information Security: Principles and Practice" by Mark Stamp 《信息安全原理与实践》马克·斯坦普著这本书是一本经典的网络安全教材，系统介绍了信息安全的基本理论和实践知识，并提供了实际案例和应用。

它涵盖了各种网络安全问题，包括密码学、网络攻击、入侵检测、安全策略和安全管理等。

2. "Network Security: Private Communication in a Public World"by Charlie Kaufman, Radia Perlman, and Mike Speciner《网络安全：公共环境中的私密通信》查理·考夫曼、拉迪亚·佩尔曼、迈克尔·斯佩西纳著这本书介绍了网络安全的基本概念和技术，并深入讨论了一些具体的安全机制和协议。

它还提供了一些实用的建议和解决方案，以帮助读者更好地保护网络和数据安全。

3. "Hacking: The Art of Exploitation" by Jon Erickson《黑客入门经典》乔恩·埃里克森著这本书介绍了黑客行为的基本原理和技术，它并不是鼓励读者进行非法活动，而是帮助读者了解黑客攻击的方式和方法，以便更好地保护自己的网络安全。

它提供了大量的实际演示和实例，以帮助读者更深入地理解网络安全问题。

4. "Web Application Hacker's Handbook" by Dafyyd Stuttard and Marcus Pinto《Web应用程序黑客手册》戴维德·斯图塔德、马库斯·平托著这本书是一本关于Web应用程序安全的实用指南，介绍了常见的Web应用程序漏洞和攻击技术，并提供了相关的解决方案和防御策略。

外文文献-计算机网络安全和防范

附录一翻译Computer network security and to guard againstAbstract: When mankind entered the 21st century information society, the network society of the time, China will establish a complete set of network security system, especially from the policy and law to establish China's own characteristics, network security system.Key words: computer; network; security; preventIn the information age, information can help groups or individuals so that they benefit from, the same information can also be used to pose a threat to them, caused damage. Therefore network security, including the composition of network hardware, software and network transmission of information security, so that they do not because of accidental or malicious destruction of the attacks, network security not only the technical aspects, but also management issues, both complement each other, are indispensable.First, the concept of computer network securityInternational Organization for Standardization of "computer security" is defined as: "To establish a data processing system and the adoption of technology and management of security protection, the protection of computer hardware, software, data is not due to accidental and malicious destruction of reasons, change and leakage." The above definition of computer security includes physical security and logical security of both the contents of the contents of the logic of security could be understood as we often say that the information security, information refers to the confidentiality, integrity and availability of protection, and network security Information security is the meaning of the extension, that network security is a network of information confidentiality, integrity and availability protection. Computer network security as the specific meaning of the user changes, the user isdifferent on the network security awareness and requirements will be different. From the ordinary user's point of view, could only hope that personal privacy or confidential information transmission on the network be protected against eavesdropping, tampering and forgery; and network provider in addition to care about these network information security, we must also consider how to deal with sudden natural disasters, such as military strikes against the destruction of network hardware, as well as unusual in the network how to restore network communications, and maintain the continuity of network communications.In essence, the network security, including the composition of network hardware, software and network transmission of information security, so that they do not because of accidental or malicious attacks on the destruction of both the technical aspects of network security issues, there are management issues, the two sides complement each other, are indispensable. Man-made network intrusion and attacks makes network security is facing new challenges.Second, computer network security status quoComputer network security is the network hardware, software and data systems are protected from accidental or malicious destruction of reasons, alteration, disclosure, the system continuous, reliable, normal operation of network services without disruption. Computer and network technology has the complexity and diversity, makes computer and network security has become a need to continue to update and improve the area. At present, hackers method has been more than the type of computer virus, and many attacks are fatal. In the Internet network, because the Internet does not have the time and geographical constraints, whenever there is a means to generate new attacks, we can in a week around the world, these attacks means the use of network and system vulnerabilities to attack computer systems and resulting in network paralysis. Worms, backdoor (Back-doors), Rootkits, DOS (DenialofServices) and Sniffer (network monitor) is a familiar means of several hacker attacks. However, none of these attacks means they reflect the astonishing power of today become worse. These types of attacks means the new variant, with previousattacks appeared methods, more intelligent, targeted against Internet-based protocols and operating system level. From the Web process control procedures to the kernel-level Rootlets. Hackers practices escalating renovation, to the user's ability to guard against information security challenge.Third, computer network security precautions1, to strengthen the internal network management and the use of safety awareness among staff, many computer systems commonly used passwords to control access to system resources, which is anti-virus process, the most vulnerable and the most economical methods. Network administrator and terminal operator privileges in accordance with their responsibilities, choose a different password for the application data legitimate operation, to prevent unauthorized users to access the data and the use of network resources.On the network, software installation and management is crucial, it is not only related to network maintenance and management efficiency and quality, but also to the network security. A good antivirus software can be easily installed within minutes to the organization each NT server can also be downloaded and spread to all the purpose of the machine by the network administrator set up and manage to focus, it will work with the operating system and other security is closely linked to become a part of network security management, and automatically provide the best network virus defensive measures. When the computer virus on-line resources applications attack, such as the virus exists in the information-sharing network of media, it is necessary to the security at the gateway, on the network front-end for antivirus.2, network firewall technologyIs a kind of used to strengthen the network access control to prevent the external network users to illegal means to enter the external network through the internal network, access internal network resources and protect the internal network operating environment special for Network Interconnection Devices. It is between two or more networks such as packet transmission link in accordance with a certain degree of security strategy to implement the inspection, to determine whether thenetwork communication between are allowed to, and monitor the network running. Although the firewall is to protect the network from an effective means of hacking, but there are obviously inadequate: through the firewall can not protect against outside attack other means, can not prevent defectors from the inside and inadvertent threats posed by users, but also can not completely prevent the transmission of the virus have been infected with the software or documents, and can not protect against data-driven attacks.3, security encryption technologyEncryption technology for the global e-commerce to provide a guarantee, so that Internet-based electronic trading system has become possible, thus improving the symmetric encryption and asymmetric encryption technology is still the mainstream of the 21st century. Symmetric encryption to the conventional password-based technology, computing encryption and decryption operations use the same key. Asymmetric encryption, encryption key that is different from the decryption key, encryption keys are made public, anyone can use, only the decryption key to decrypt people know.4, the network host operating system security and physical security measures Network firewall as the first line of defense and can not fully protect the internal network, must be combined with other measures to improve the safety of the system level. After the firewall is based on the network host operating system security and physical security measures. In accordance with the level from low to high, namely, the physical security of the host system, the core operating system security, system security, application services security and file system security; At the same time, host security checks and bug fixes, as well as a backup safety system as a supplementary safety measures. These constitute the entire network system, the second line of defense, the main part of a breakthrough to prevent the firewall as well as attacks from within. System backup is the last line of defense network system, used to attack after the System Restore. The firewall and host security measures is the overall system security by auditing, intrusion detection and response processor constitute the overall safety inspection and response measures. It from the networksystem firewall, network host or even directly from the network link layer on the extraction of network status information, as input to the intrusion detection subsystem. Intrusion Detection System in accordance with certain rules to determine whether there is any invasion of the incident, if the invasion occurred, the emergency treatment measures, and generate a warning message. Moreover, the system's security audit also can be used as the future consequences of aggressive behavior and to deal with security policy on the system to improve sources of information.In short, network security is a comprehensive issue, involving technology, management, use and many other aspects, including both its own information system security issues, there are physical and logical technical measures, a kind of technology can only solve the problem on the one hand, rather than a panacea. To this end the establishment of a network with Chinese characteristics, security system, the need for national policies and regulations to support and joint research and development group. Security and anti-security like two sides of contradictions, always pick-up, so the security industry is a future with the development of new technologies and the continuous development of industry.计算机网络安全和防范摘要：当人类跨入21世纪的信息社会，网络社会的时候，我国将建立一套完整的网络安全系统，特别是从政策和法律，建立我国自己的特点，网络安全系统。

[英语作文]Cybersecurity网络安全

[英语作文]Cybersecurity网络安全Title: Navigating the Digital Frontier: The Imperative of CybersecurityIn an era where the internet has become an integral part of our daily lives, cybersecurity has emerged as a paramount concern. As we increasingly rely on technology for communication, business operations, and data storage, the vulnerabilities and risks associated with cyber threats have also grown exponentially. Cybersecurity refers to the measures and practices designed to protect computers, servers, mobile devices, electronic systems, and networks from malicious attacks, data breaches, and other forms of unauthorized access or damage.The importance of cybersecurity cannot be overstated. The consequences of security breaches can be catastrophic, ranging from financial loss and identity theft to national security threats and disruptions in critical infrastructure. In the digital age, information is power, and protecting that information is crucial to maintaining individual privacy, corporate competitiveness, and societal stability.There are various types of cyber threats that individuals and organizations must guard against. These include:1. Malware: Software designed to harm or secretly gain access to a computer system, such as viruses, worms, trojan horses, and spyware.2. Phishing: A social engineering tactic used to trick people into revealing sensitive information, often through fraudulent emails or websites.3. Hacking: Unauthorized access to a computer system with the intent to steal, modify, or destroy data.4. Denial-of-Service (DoS) Attacks: Overwhelming a system with traffic or requests to make it unavailable to users.5. Ransomware: A type of malware that holds a system's data hostage untila ransom is paid.6. SQL Injection: Attacking vulnerable databases to manipulate or steal data.7. Insider Threats: Compromises originating from within an organization by disgruntled employees or those with ill intent.To combat these threats, it is essential to implement a multi-layered approach to cybersecurity that includes the following strategies:1. Continuous Education and Awareness: Educating users about potential threats and how to identify and respond to them is fundamental in preventing security breaches.2. Strong Authentication: Implementing robust password protocols and multi-factor authentication to verify user identities.3. Regular Software Updates and Patches: Keeping software up-to-date helps to close security gaps exploited by hackers.4. Data Encryption: Encrypting sensitive data to protect it from being read or intercepted by unauthorized parties.5. Firewalls and Antivirus Software: Using firewalls and antivirus software to prevent, detect, and remove malware.6. Network Security: Securing networks with advanced technologies like intrusion detection and prevention systems.7. Incident Response Planning: Having a plan in place to manage and mitigate the impact of a security incident when it occurs.8. Regulatory Compliance: Adhering to relevant laws and standards that govern data protection and privacy.9. Cloud Security: Ensuring that cloud-based services and storage are secure and comply with established security frameworks.10. Risk Assessment and Management: Regularly assessing potential risks and implementing measures to manage and reduce them.Cybersecurity is not a one-time fix; it requires ongoing vigilance and adaptation to the ever-evolving threat landscape. As technology advances, so do the methods of cybercriminals. Therefore, staying informed about the latest trends in cyber threats and updates in cybersecurity measures is crucial for both individuals and organizations alike.In conclusion, cybersecurity is a complex and critical issue that affects every aspect of modern life. It demands a proactive and comprehensive approach to ensure the safety of our digital assets. By prioritizing cybersecurity, wecan better protect our personal information, safeguard our businesses, and maintain the integrity of our society's digital infrastructure. Let us commit to fostering a culture of cyber awareness and resilience to navigate the challenges of the digital frontier securely and confidently.。

网络安全参考文献

网络安全参考文献1. [1] Gursimran Kaur, Sukhjit Singh. (2020). "An Improved Network Security using Firewalls and IDS/IPS". International Journal of Recent Technology and Engineering (IJRTE).2. [2] Lubaina Rashid S. M., K. Murali, A. Sreekanth, V. Sowmya Vani. (2019). "Enhancing Network Security using Machine Learning Algorithms". International Journal of Recent Technology and Engineering (IJRTE).3. [3] Yin Yang, Muyi Li, Wenjie Wang, Heng Zhang. (2020). "Security testing of web applications based on artificial intelligence". International Journal of Advanced Computer Research (IJACR).4. [4] S. Ramapriya, S. Uma Maheswari, J. Premkumar. (2019). "An Improved Defense Mechanism for Network Security". International Journal of Engineering & Technology (IJEAT).5. [5] V. Lalithasree, K. Subashini, V. N. Nagaveni. (2019). "A Survey on Network Security Techniques and Cryptography". International Journal of Engineering and Advanced Technology (IJEAT).6. [6] Hualiang Zhang, Yanan Sun, Chunqing Wu, Xiaodong Lin, Chenglin Zhao. (2021). "Research on Network Security Situation Awareness Technology Based on Machine Learning". Wireless Personal Communications.7. [7] W. Zhang, Z. Feng, L. Lv, H. Li. (2019). "An ImprovedNetwork Security Intrusion Detection Method Based on Sequence Mining". Proceedings of the International Conference on Computer Science and Artificial Intelligence (CSAI).8. [8] Zuyuan Fang, Tingting Zhang, Dingyi Fang, Weiwei Yu, Zhibo Wu. (2021). "A Secure Network Coding Key Distribution Scheme Based on Fully Homomorphic Encryption". Journal of Communications and Networks.Please note that the numbering in brackets is added for reference purposes only.。

网络安全外文翻译文献

网络安全外文翻译文献Title: Internet Security: A Review of Current and Future ChallengesThe internet has become an integral part of modern life, connecting people across the globe, enabling commerce, and driving innovation. However, with the increasing interconnectedness of our digital world comes a growing need for internet security. This article provides a review of current internet security challenges and explores the emerging threats and trends we can expect to see in the future.1、Current ChallengesThe primary challenge with internet security lies in the ever-changing nature of cyber threats. Hackers, nation-states, and cybercriminals are constantly developing new tools and techniques to bypass security measures and steal sensitive information. Ransomware, phishing, and identity theft are just a few examples of the common threats we see today.Another major challenge is the lack of cybersecurity personnel. According to the 2022 Global Information Security Survey, 53% of organizations reported a shortage of cybersecurity staff.This shortage makes it difficult to stay ahead of the constantly evolving threat landscape.2、Future Threats and TrendsAs technology advances, we can expect to see an increase in the complexity and severity of cyber threats. Artificial intelligence (AI) and machine learning (ML) will play a larger role in both offensive and defensive cyber operations.AI-powered autonomous hacking machines capable of launching sophisticated attacks or identifying and exploiting vulnerabilities are just one example of the emerging threats we may face.The internet of things (IoT) will also present new challenges. As our physical devices become increasingly connected to the internet, they become potential targets for cybercriminals. IoT devices are often viewed as low-hanging fruit, as many of them have poor security protocols, making them easy prey for hackers.3、Solutions and RecommendationsTo stay ahead of internet security threats, organizations must prioritize investing in cybersecurity personnel andtechnologies. Regular software updates, strong password policies, and robust network firewalls are essential building blocks of any cybersecurity strategy.Organizations should also prioritize implementing AI andML-based security solutions. These technologies can help identify and prevent emerging threats by analyzing vast amounts of data and detecting patterns typical of malicious activity. Furthermore, IoT device manufacturers must prioritize building security into their products from the outset. This includes implementing strong encryption methods, updating software regularly, and providing customers with easy-to-use security features.In conclusion, the internet remns a crucial element of modern life, but with the ever-growing complexity and severity of cyber threats, internet security must be a top priority. By investing in cybersecurity personnel and technologies, implementing and ML-based security solutions, and prioritizing IoT device security, organizations can better protect themselves agnst the ever-changing threat landscape.。

网络安全英语范文

网络安全英语范文In recent years, with the rapid development of the internet, the issue of cybersecurity has become increasingly important. As more and more people rely on the internet for various purposes, including communication, financial transactions, and entertainment, the need to protect sensitive information and ensure online safety has become paramount. This article aims to provide an overview of cybersecurity and highlight the importance of adopting effective measures to safeguard our online presence.First and foremost, it is crucial to understand the concept of cybersecurity. In simple terms, cybersecurity refers to the practice of protecting computers, servers, mobile devices, and networks from digital attacks or unauthorized access. These attacks can come in various forms, such as malware, phishing scams, hacking attempts, or even data breaches. The consequences of a successful cyber attack can be devastating, ranging from financial loss to identity theft, and even the compromise of national security.One of the most common cybersecurity threats is malware. Malware, short for malicious software, is designed to disrupt, damage, or gain unauthorized access to computer systems. It can be spread through infected email attachments, malicious websites, or even compromised software. Once a device is infected, the malware can steal sensitive information, corrupt files, or even take control of the entire system. To protect against malware, it is essential to have reliable antivirus software installed and regularly updated.Another significant cybersecurity concern is phishing scams. Phishing is a fraudulent technique used by cybercriminals to trick individuals into revealing sensitive information, such as passwords, credit card details, or social security numbers. These scammers often disguise themselves as trustworthy entities, such as banks or popular websites, and send deceptive emails or create fake websites to lure victims into providing their personal information. To avoid falling victim to phishing scams, it is essential to be vigilant and cautious when clicking on links or providing personal information online.In addition to malware and phishing, hackers pose a significant threat to cybersecurity. Hackers are individuals or groups who gain unauthorized access to computer systems or networks with malicious intent. They can exploit vulnerabilities in software, use brute force attacks to crack passwords, or even employ social engineering techniques to trick individuals into revealing sensitive information. To protect against hackers, it is crucial to use strong, unique passwords, enable two-factor authentication whenever possible, and keep software and operating systems up to date with the latest security patches.Furthermore, data breaches have become increasingly common in recent years, with large corporations and government agencies falling victim to cyber attacks. A data breach occurs when unauthorized individuals gain access to sensitive information, such as customer data or intellectual property. The consequences of a data breach can be severe, leading to financial loss, reputational damage, and legal implications. To prevent data breaches, organizations must invest in robust cybersecurity measures, including encryption, network monitoring, and employee training on best security practices.In conclusion, cybersecurity is a critical aspect of our increasingly digital world. With the ever-evolving nature of cyber threats, it is essential to remain vigilant and adopt effective measures to protect ourselves and our sensitive information online. By understanding the various cybersecurity threats, such as malware, phishing scams, hacking, and data breaches, we can take proactive steps to safeguard our online presence. Remember, prevention is always better than cure when it comes to cybersecurity. Stay informed, stay updated, and stay secure.。

英语必修二关于网络安全作文

英语必修二关于网络安全作文English: With the rapid development of technology and the increasing reliance on the internet, the issue of cyber security has become more important than ever. People are sharing more personal information online, conducting financial transactions, and storing valuable data, making them vulnerable to cyber attacks. Cyber criminals are constantly finding new ways to exploit vulnerabilities in systems and devices, posing a serious threat to individuals, businesses, and even governments. It is crucial for individuals to be aware of the risks and take necessary precautions to protect their online accounts and information. This includes using strong, unique passwords, enabling two-factor authentication, keeping software updated, and being cautious of suspicious emails or links. Furthermore, businesses and organizations must invest in robust cyber security measures to safeguard their networks and data from potential breaches. Collaboration between governments, industries, and cyber security experts is essential to combatting cyber threats and ensuring a secure online environment for everyone.中文翻译: 随着科技快速发展和对互联网的日益依赖，网络安全问题比以往任何时候都更加重要。

网络安全英语范文高一

网络安全英语范文高一Network Security: Safeguarding the Digital FrontierIn today's digital age, the reliance on technology has become an integral part of our daily lives. From conducting business transactions to accessing personal information, the internet has revolutionized the way we interact with the world. However, this increased connectivity has also brought about a new set of challenges in the realm of network security. As technology continues to evolve, so too do the tactics and methods employed by cybercriminals, making it essential for individuals and organizations to remain vigilant and proactive in their approach to safeguarding their digital assets.At the heart of network security lies the fundamental principle of protecting sensitive data from unauthorized access, theft, or manipulation. This encompasses a wide range of measures, from implementing robust access controls and encryption protocols to regularly updating software and monitoring system activity for any anomalies. By adopting a comprehensive security strategy, individuals and organizations can significantly reduce the risk of falling victim to cyber attacks, which can have devastatingconsequences ranging from financial losses to the compromising of personal or confidential information.One of the primary threats to network security is the ever-evolving landscape of cyber threats. Hackers, malware, and other malicious actors are constantly developing new and sophisticated methods to infiltrate systems and gain access to sensitive data. This can include techniques such as phishing, where attackers use deceptive emails or websites to trick users into revealing login credentials or downloading malware. Additionally, distributed denial-of-service (DDoS) attacks, where a network or system is overwhelmed with traffic, can disrupt critical services and cause significant disruption to businesses and individuals alike.To combat these threats, network security professionals must stay informed and vigilant, continuously monitoring for new vulnerabilities and implementing the latest security protocols. This may involve regularly updating software, implementing firewalls and intrusion detection systems, and educating users on best practices for identifying and avoiding potential threats.Another crucial aspect of network security is the protection of personal and sensitive information. In an age where data has become a valuable commodity, individuals must be proactive in safeguarding their digital footprint. This includes using strong, unique passwordsfor all online accounts, enabling two-factor authentication, and being cautious when sharing personal information online.Moreover, organizations have a responsibility to ensure the privacy and security of their customers' or clients' data. This may involve implementing robust data encryption, regularly backing up critical information, and having a comprehensive incident response plan in place in the event of a security breach.In addition to technical solutions, network security also requires a strong emphasis on human behavior and education. Users, both at the individual and organizational level, must be trained to recognize and respond to potential threats, such as phishing attempts or suspicious network activity. By fostering a culture of security awareness and promoting best practices, organizations can empower their employees to become the first line of defense against cyber attacks.Furthermore, the importance of collaboration and information sharing within the cybersecurity community cannot be overstated. By sharing knowledge, resources, and best practices, security professionals can work together to stay ahead of the ever-evolving threat landscape and develop more effective strategies for protecting digital assets.In conclusion, network security is a critical and multifaceted challenge that requires a comprehensive and proactive approach. By staying informed, implementing robust security measures, and fostering a culture of security awareness, individuals and organizations can better safeguard their digital frontiers and protect against the growing threat of cyber attacks. As technology continues to shape our world, the importance of network security will only continue to grow, making it an essential consideration for all who rely on the digital landscape.。

网络安全英文作文

网络安全英文作文Cybersecurity is a major concern in today's digital world. With the increasing reliance on technology, the risk of cyber attacks and data breaches is higher than ever. It is crucial for individuals and organizations to take proactive measures to protect their online information.Hackers are constantly finding new ways to exploit vulnerabilities in systems and networks. They use sophisticated techniques to gain unauthorized access to sensitive data, such as personal information, financial records, and intellectual property. As a result, cybersecurity professionals must stay vigilant and continuously update their defenses to stay ahead of potential threats.One of the most common cybersecurity threats is phishing, where attackers use deceptive emails or websites to trick individuals into revealing their personal information. These attacks can be difficult to detect, asthey often appear to come from legitimate sources. It is important for individuals to be cautious and verify the authenticity of any requests for sensitive information.Ransomware is another significant cybersecurity threat that has become increasingly prevalent in recent years. This type of malware encrypts a victim's files and demands payment in exchange for the decryption key. Ransomware attacks can have devastating consequences for individuals and organizations, leading to data loss and financial harm.In addition to external threats, internalvulnerabilities can also pose a risk to cybersecurity. Employees may inadvertently compromise security through actions such as using weak passwords, clicking on suspicious links, or mishandling sensitive data. It is essential for organizations to provide comprehensive training and enforce strict security policies to mitigate these risks.As technology continues to advance, new cybersecurity challenges will undoubtedly emerge. It is essential forindividuals and organizations to remain proactive and adaptable in their approach to cybersecurity. By staying informed about the latest threats and best practices, we can collectively work towards creating a safer and more secure digital environment.。

网络安全英语范文

Network Security: Challenges andStrategies in the Digital AgeIn the modern era of digitization, network security has become a paramount concern for individuals, organizations, and governments alike. The escalating use of the internet and interconnected devices has led to an exponential growth in cyber threats, ranging from simple phishing attacks to complex ransomware assaults. This evolving landscape poses significant challenges to maintaining a secure digital environment.One of the primary challenges in network security is the constant evolution of cyber threats. As technology advances, hackers and cybercriminals develop increasingly sophisticated methods to infiltrate systems and steal sensitive information. These threats are not limited to traditional computing devices but extend to mobile phones, IoT devices, and even critical infrastructure systems. The diversity and complexity of these threats require a comprehensive and multi-faceted approach to network security.Moreover, the globalization of the internet has made it easier for cybercriminals to operate anonymously and across borders. This has led to an increase in cybercrime activities, including cyber-espionage, fraud, and terrorism. The ability to launch attacks remotely and quickly has made it difficult for law enforcement agencies to track and prosecute these criminals.To address these challenges, it is crucial to adopt a proactive approach to network security. This involves implementing robust security measures, including firewalls, antivirus software, and encryption technologies. Additionally, regular security audits and updates are essential to identify and address vulnerabilities in systems. It is also important to educate users about cyber threats and how to protect themselves online.Furthermore, collaboration between governments, organizations, and individuals is key to building a secure digital ecosystem. Governments can establish regulatory frameworks and policies to govern cyberspace and promote cooperation between law enforcement agencies. Organizations can share information about cyber threats and bestpractices to enhance their collective defense. Individuals, on the other hand, can play a role by being vigilant and responsible online citizens.In conclusion, network security is a complex and evolving field that requires constant vigilance and innovation. By addressing the challenges posed by cyber threats and adopting proactive security measures, we can build a safer and more secure digital world.**网络安全：数字时代的挑战与策略**在数字化的现代时代，网络安全已成为个人、组织及政府共同面临的重要关切。

网络安全英语作文

网络安全英语作文With the rapid development of the Internet, network security has become a major concern for individuals and organizations alike. In today's digital age, the threat of cyber attacks, data breaches, and online fraud is more prevalent than ever. Therefore, it is essential for everyone to be aware of the importance of network security and take proactive measures to protect themselves and their information.First and foremost, it is crucial for individuals to understand the various types of cyber threats that exist. These include malware, phishing scams, ransomware, andsocial engineering attacks, among others. By being aware of these threats, individuals can better safeguard themselves against potential risks and take appropriate precautions to prevent falling victim to cyber attacks.In addition to understanding the threats, individuals should also take steps to secure their devices and networks.This includes installing antivirus software, using strong and unique passwords, enabling two-factor authentication, and keeping software and operating systems up to date. By implementing these measures, individuals can significantly reduce their vulnerability to cyber attacks and protect their personal information from being compromised.Furthermore, organizations must also prioritize network security to safeguard their sensitive data and maintain the trust of their customers. This involves implementing robust security measures, such as firewalls, intrusion detection systems, and encryption, to protect their networks from unauthorized access and malicious activities. Additionally, organizations should conduct regular security audits and employee training to ensure that everyone is aware of the best practices for maintaining network security.Moreover, with the increasing use of cloud services and remote work, it is important for organizations to secure their data and networks in these environments as well. This includes using secure connections, implementing access controls, and regularly monitoring and managing thesecurity of cloud-based systems. By doing so, organizations can mitigate the risks associated with cloud computing and remote work and ensure the confidentiality, integrity, and availability of their data.In conclusion, network security is a critical aspect of our digital lives and requires the collective effort of individuals and organizations to address. By understanding the various cyber threats, implementing security measures, and prioritizing network security, we can all contribute to creating a safer and more secure online environment. Ultimately, by taking proactive steps to protect ourselves and our information, we can minimize the risks of cyber attacks and enjoy the benefits of the Internet with peace of mind.。

网络安全的英语写作

网络安全的英语写作In recent years, with the rapid advancement of technology and the widespread use of the internet, the issue of network security has become increasingly prominent. Network security refers to measures taken to protect computer systems and the information they store from unauthorized access, use, disclosure, disruption, modification, or destruction. It is of utmost importance as it directly impacts the privacy, integrity, and reliability of digital data.One major threat to network security is hacking. Hackers, with their technical skills and knowledge, exploit vulnerabilities in computer systems to gain unauthorized access to sensitive information. This can have severe consequences, as hackers can steal personal data, financial information, or even launch cyberattacks that disrupt essential services.A common form of hacking is phishing. Phishing involves tricking individuals into revealing their personal information, such as bank account details or login credentials, by posing as a trustworthy source. Phishing attacks often occur through email, where unsuspecting users click on malicious links or download infected attachments. To protect against phishing attacks, it is crucial to be vigilant and verify the authenticity of communication before disclosing any personal information.Malware is another significant threat to network security. Malware, short for malicious software, includes computer viruses, worms, Trojan horses, ransomware, and spyware. It can be unintentionally downloaded through infected software, email attachments, or dubious websites. Once installed, malware can compromise thesecurity of a computer system and lead to data leaks, system failures, and unauthorized access. To mitigate the risk of malware, it is essential to regularly update operating systems and applications, use reputable antivirus software, and avoid downloading files from untrustworthy sources.In addition to hacking and malware, network security is also compromised by weak or easily guessable passwords. Many individuals use simple passwords such as "123456" or their birthdates, making it easy for hackers to gain unauthorized access to their accounts. To enhance password security, users should create complex passwords with a combination of uppercase and lowercase letters, numbers, and special characters. It is also advisable to enable multi-factor authentication for additional protection.Public Wi-Fi networks pose yet another risk to network security. While convenient, public Wi-Fi networks are often unsecured, making it easier for hackers to intercept communication and gain access to personal information. When connecting to public Wi-Fi networks, it is important to avoid accessing sensitive information and use a VPN (Virtual Private Network) for added security.In conclusion, network security is a critical concern in our increasingly interconnected world. To protect against hacking, individuals should be cautious of phishing attempts and regularly update their software. Additionally, strong passwords and secure Wi-Fi connections are essential components of maintaining network security. By being proactive and implementing thesemeasures, we can safeguard our digital identities and ensure the security of our sensitive information.。

网络安全英文作文

网络安全英文作文In recent years, the issue of cybersecurity has become increasingly prominent. With the rapid development of technology and the widespread use of the internet, our personal information and online activities are constantly at risk of being compromised. Therefore, it is crucial that we pay attention to enhancing our cybersecurity.First and foremost, it is essential to create strong and unique passwords for all our online accounts. Many people tend to use simple and easily guessable passwords, such as their names or birthdates, which makes it easier for hackers to gain unauthorized access. By using a combination of uppercase and lowercase letters, numbers, and special characters, we can significantly increase the security of our accounts.Furthermore, we should exercise caution when clicking on suspicious links or downloading attachments from unknown sources. Phishing emails and malware are common methods used by cybercriminals to steal personal information or gain control over our devices. By staying vigilant and verifying the authenticity of emails and links, we can avoid falling into their traps. Regularly updating and patching our software and devices is also vital in minimizing vulnerabilities. Manufacturers constantly release updates to fix any security flaws that have been discovered. Therefore, by neglecting to update our devices, we are leaving ourselves exposed to potential attacks.Moreover, it is necessary to have reliable antivirus software installed on our devices. Antivirus programs can detect and removemalicious software, providing an extra layer of defense against cyber threats. Regular scans should also be conducted to identify any potential threats that may have gone undetected.Lastly, we must be cautious about the information we share online. Social media platforms have become breeding grounds for cybercriminals, who can exploit the information we disclose and use it for malicious purposes. It is crucial to limit the amount of personal information we make public and regularly review our privacy settings.In conclusion, enhancing cybersecurity is of utmost importance in today's digital age. By implementing strong passwords, being cautious of suspicious links, keeping our devices updated, using antivirus software, and being mindful of the information we share online, we can significantly reduce the risk of falling victim to cyber threats.。

网络安全英语论文

网络安全英语论文Title: The Importance of Network Security in the Digital Age Introduction:In today's digital age, where the internet has revolutionized the way we communicate, work, and conduct business, the importance of network security cannot be overstated. With cyber threats continuously evolving, organizations and individuals need to prioritize effective measures to protect their sensitive information, privacy, and the integrity of their systems. This paper explores the significance of network security and proposes practical steps to safeguard against potential cyber attacks.Body:1. The Growing Threat LandscapeSince the advent of the internet, cybercrimes have proliferated, posing significant threats to individuals, businesses, and governments. Hackers, with increasingly sophisticated tools and techniques, exploit vulnerabilities in networks, aiming to steal financial information, personal data, and intellectual property. Ransomware attacks, distributed denial of service (DDoS) attacks, and phishing scams are just a few examples of the multitude of cyber threats faced today.2. Potential Impacts of Network Security BreachesNetwork security breaches can have severe consequences, including financial losses, reputation damage, and legal implications. Companies may face the loss of valuable digital assets and customer data, leading to a loss of trust and credibility.Moreover, breaches in critical infrastructure systems, such as power grids and healthcare systems, can result in devastating consequences for society as a whole. Therefore, prioritizing robust network security measures is imperative to mitigate potential damages.3. Network Security MeasuresTo combat cyber threats effectively, organizations and individuals should implement a multi-layered approach to network security. This includes:a) Firewalls: Deploying firewalls acts as the first line of defense against unauthorized access, ensuring that only legitimate traffic is allowed into a network.b) Encryption: Encrypting data in transit and at rest helps to protect sensitive information from unauthorized access, ensuring that even if a breach occurs, the data remains unreadable.c) Strong Passwords and Two-factor Authentication: Encouraging the use of complex passwords and implementing two-factor authentication adds an extra layer of security, making it harder for attackers to gain access to sensitive accounts.d) Regular Software Updates and Patches: Keeping software, operating systems, and applications up to date helps to address any known vulnerabilities and weaknesses, mitigating the risk of exploitation.e) Employee Education and Awareness: Establishingcomprehensive training programs to educate employees about cybersecurity threats, such as phishing and social engineering, helps to build a strong human firewall and foster a security-conscious culture within an organization.4. Collaboration and Government InvolvementGiven the global nature of cyber threats, collaboration between governments, organizations, and individuals is crucial to combating cybercrimes effectively. Governments should enact strong legislation and regulations to protect individuals' privacy and organizations' sensitive information. Additionally, international cooperation is essential to sharing information about emerging threats, best practices, and conducting joint investigations.Conclusion:In conclusion, network security is a critical aspect of our digital lives and is paramount in protecting individuals, organizations, and critical infrastructure from cyber threats. Implementing robust network security measures, such as firewalls, encryption, and regular updates, along with fostering a culture of cybersecurity awareness, is key to safeguarding against potential attacks. It is imperative that governments, organizations, and individuals work together to address this ever-evolving threat landscape and ensure a secure and resilient digital environment.。

网络安全英文论文

网络安全英文论文The Importance of Cybersecurity in the Digital AgeIn today's digital age, where almost every aspect of our lives is connected to the internet, cybersecurity has become one of the most pressing issues of our time. With the rise of cybercrime and the increasing reliance on technology, safeguarding sensitive information and protecting the integrity of digital systems has become paramount. This paper will discuss the importance of cybersecurity, its challenges, and potential solutions to address the growing threats.First and foremost, cybersecurity is essential for protecting individuals, businesses, and governments from the ever-evolving tactics of cybercriminals. With the ability to compromise personal and financial information, cybercriminals pose a significant threat to individuals' privacy and security. Identity theft, online scams, and ransomware attacks are just a few examples of the devastating effects cybercrime can have on individuals and their financial security. Moreover, businesses are also vulnerable to cyber threats, as data breaches can result in significant financial losses, damage to reputation, and legal consequences. Therefore, implementing robust cybersecurity measures is crucial for ensuring the safety and stability of individuals and organizations alike.However, building effective cybersecurity infrastructure is not without its challenges. The rapidly evolving landscape of cybersecurity requires constant adaptation to new threats. Cybercriminals are constantly developing sophisticated techniques to bypass security systems, making it difficult for organizations tostay ahead. Furthermore, the shortage of skilled cybersecurity professionals poses a significant challenge in creating and maintaining resilient cybersecurity strategies. The demand for cybersecurity experts is projected to exceed the supply, creating a gap that needs to be adequately addressed. Additionally, the lack of cybersecurity awareness among individuals also contributes to the vulnerability of systems. Education and training programs need to be implemented to enhance the general understanding of cybersecurity and its importance.To address these challenges, a multi-pronged approach to cybersecurity is required. Firstly, collaboration between governments, businesses, and individuals is crucial for combating cyber threats effectively. Information sharing and cooperation can help identify vulnerabilities and develop proactive measures to mitigate potential risks. Secondly, investing in research and development is essential for staying ahead of cybercriminals. By continuously improving security technologies and tools, organizations can better protect their assets and data. Moreover, fostering cybersecurity education and awareness at all levels is crucial for creating a culture of cyber hygiene. This includes training employees to identify and respond to potential threats and promoting responsible online behavior among individuals.In conclusion, the importance of cybersecurity in today's digital age cannot be overstated. With the ever-increasing reliance on technology, individuals, businesses, and governments must prioritize the protection of sensitive information from cybercrime. While there are challenges to overcome, through collaboration, investment in research and development, and the promotion ofcybersecurity education, it is possible to create a secure digital ecosystem. Only by working together can we ensure the safety and privacy of our digital world.。

网络安全与防火墙英文文献翻译

Research of Network Security and Firewalls Techniques Abstract:As the key facility that maintains the network security , firewalls take the purpose of establishing an obstacle between trust and trustless network, and put corresponding safety strategy into practice. In this paper , the computer network security and the techniques of firewalls were mainly discussed, the concept and classification of the firewalls were introduced. It also introduced three kind's of basic implement techniques of the firewalls: Packet filtering , Application Proxy and Monitor model in detail. Finally described the trend of development of the firewalls techniques in Internet briefly.Key words: network security, firewalls, Packet filtering, monitor1. IntroductionNow with the computer network and e-commerce used widely, network security has become an important problem that we must consider and resolve. More and more professions. enterprises and individuals surfer from the security problem in different degree. they are looking for the more reliable safety solution . In the defense system adopted by network security at present, the firewalls stand the very important position.As the key facility that maintains the network security. firewalls take the purpose of establishing an obstacle between trust and trustless network, and put corresponding safety strategy into practice.All the firewalls have the function to filter the IP address. This task checks the IP packet, makes the decision whether to release or to abandon it according to the source address and destination address of the IP. Shown in Fig.I, there is a firewall between two network sections, an UNIX computer is on one side of the firewall, and the other side is a PC client. While the PC client asks a telnet request for the UNIX computer, the client procedure of telnet in the PC produces a TCP packet and passes the packet to the local protocol stack to prepare to send. The protocol stack fills it in one IP packet. then, sends it to UNIX computer through the path defined by the TCP/IP stack of PC. The IP packet can't reach the UNIX computer until it passes the firewall between the PC and the UNIX computer.Fig. I Ip Address FilteringThe application firewall is a very efficient means of network security on Internet,it is installed between the trust and trustless network, can isolate the connection between the trust and trustless network, and doesn't hamper people's access to the trustless network at the same time. It can isolate the connection between the risk area (namely there may be a certain risk on Internet) and the safe area (LAN), and doesn't hamper people's access to the risk area at the same time. Firewall can monitor the traffic flowing in and out from the network to finish the task seemingly impossible;it only allows the safe and checked information to enter into, and meanwhile resists on the data that may bring about the threat to enterprise. As the fault and defect of the security problem becomemore and more general, the invasion to the network not only comes from the super attack means, but also may be from the lower-level mistakes or improper password selections on the configuration. So, the function of the firewalls is preventing the communication that not hoped and authorized passes in and out of the network protected. forcing the companies to strengthen their own network security policy. The general firewalls can achieve the following purposes: First, restraining others from entering the inside network, filtering the unsafe service and illegal user; Second, preventing the invaders from closing to your defense installation; Third,limiting the user to access the special site; Fourth,providing convenience for monitoring the Internet security.2. The classification and implement technology of firewallsAn integrated firewalls system usually consists of screening router and proxy server. The screening router is a multi-port IP router. it check the each coming IP packet according to the group regular to judge whether to transmit it. The screening router gets information from the packet. fot example the protocol number. the IP address and port number that receiving and sending massages. the flag of link even some other IP selections. filtering IP packet. The proxy server are server process in the firewall. it can replace the network user to finish the specific TCP/IP function. A proxy server is naturally a gateway of application layer. a gateway of two networks joined specific network application. Users contact with proxy server by one of the TCP/IP application such as Telnet or FTP. the proxy server ask the users for the name of the remote host. which users want to access. After the users have answered and offered the correct users' identities and authentication information, the proxy server communicates the remote host, act as the relay between two communication sites. The whole course can be totally transparent to users.There are mainly three types in the firewalls: packet filtering. application gateways and state detection.Packet filtering firewall works on the network layer.it can filter the source address. destination address. source port and destination port of TCP/IP data packet. It has advantages such as the higher efficiency.transparent to user. and users might not feel the existence of the packer filtering firewall, unless he is the illegal user and has been refused. The shortcomings are that it can't ensure the security to most services and protocols, unable to distinguish the different users of the same IP address effectively,and it is difficult to be configured, monitored and managed. can't offer enough daily records and warning.The application gateways firewall performs its function on the application layer, it connects with specific middle-joint (firewall) by a client procedure, and then the middle-joint connects with the server actually. Unlike the packet filtering firewall. when using the firewall of this kind. there is no direct connection between the outside networks. so even if the matter has happened in the firewall. the outside networks can't connect with networks protected. The application gateway firewall offers the detailed daily records and auditing function, it improved the security of the network greatly. and provides the possibility to improve the security performance of the existing software too. The application gateways firewall solves the safety problem based on the specific application program. the products based on Proxy will be improved to configure the service in common use and non-standard port. However. so long as the application program needs upgrading. the users based on Proxy will find that they must buy new Proxy server. As a technique of network safety. Firewall combined with proxy server has simple and practical characteristics, can reach a certain security request in case of not revising the original network application system. However. if the firewall system is broken through. the network protected is in having no state of protecting. Andif an enterprise hopes to launch the business activity on Internet and carry on communication with numerous customers. it can't meet the demands. In addition, the firewall based on Proxy Service will often makes the performance of the network obviously drop.The third generation of firewall takes the detection technique of state as the core, combines the packet filtering firewall and application gateways firewall. The state detection firewall accesses and analyzes the data achieved from the communication layer through the module of state detection to perform its function. The state monitor act as firewall technique. it is best in security perfonnance, it adopts a software engine.which executes the tactics of network security on the gateways, called the detection module. On the premise of not influencing the network to work normally, detection module collects the relevant data to monitor each of the network communication layers, collects a part of data, namely status information, and stores the data up dynamically for the reference in making security decision afterward. Detection modulesupports many kinds of protocols and application program, and can implement the expansion of application and service very easily. Different from other safety schemes, before the user's access reaches the operating system of network gateways, the state monitor should collect the relevant data to analyze, combine network configuration and safety regulation to make the decisions of acceptance, refutation, appraisal or encrypting to the communication etc Once a certain access violates the security regulation, the safety alarm will refuse it and write down to report the state of the network to the system management device. This technology has defects too, namely the configuration of the state monitor is very complicated, and will decelerate the network.3. New generation technique of firewallsAccording to the present firewalls market, the domestic and international manufacturers of firewall can all support the basic function of the firewall well,including access control, the network address transform, proxy, authentication, daily records audit etc. However, as stated before, with the attack to the network increasing, and user's requisition for network security improving day by day, the firewall must get further development. Combine the present experience of research and development and the achievement,some relevant studies point out, according to the development trend of application and technology, how to strengthen the security of firewall, improve the performance of firewall, enrich the function of firewall, will become the problem that the manufacturer of firewalls must face and solve next.The purpose of the new generation firewall is mainly combining the packet filtering and proxy technology, overcoming the defects in the safety respect of two; being able to exert the omnidirectional control from the layer of data chain to the application layer; implementing the micro-kernel of TCP/IP protocol to perform all the security control on the layer of TCP/IP protocol; based on the micro-kernel above, making the speed to exceed thetraditional packet filtering firewall; Offering the transparent mode of proxy. lightening the configuration work on the client; Supporting the data encryption and decryption (DES and RSA ), offering the strong support to the Virtual Private Network VPN; hiding the Inside information totally; producing a new firewall theory.The new techniqe of firewalls has not only covered all the functions of traditional packet filtering firewalls, but also has remarkable advantages in opposing overall the attack means of IP deception, SYN Flood, ICMP. ARP, etc. strengthening proxy service, merging it with packet filtering, then adding the intelligence filtering technology to make the security of the firewall rising to another height.4. ConclusionNow the firewall has already been widely used on Internet, and because of its characteristic of not limited to the TCP/IP protocol, it has more vitality outside Internet progressively too. To be subjective, the firewall is not the omnipotent prescription of solving the problem of network security, but only a component of the network security policy and tactics. However, understanding the technology of firewall and learning to use it in actual operation, believing that every net friend may be benefited a lot from the network life in the new century.外文资料翻译译文摘要：作为关键设施，维护网络的安全性，防火墙采取建立信任与不可靠的网络障碍的目的，并落实相应的安全策略。

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