RFC21

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sap因rfc错误处理流程详解

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协议号1-255

IP协议号大全(网络协议号)2009-04-14 15:26IP协议号大全(网络协议号)PROTOCOL NUMBERS(last updated 08 September 2005)In the Internet Protocol version 4 (IPv4) [RFC791] there is a field, called "Protocol", to identify the next level protocol. This is an 8 bit field. In Internet Protocol version 6 (IPv6) [RFC1883] this field is called the "Next Header" field.Assigned Internet Protocol NumbersDecimal Keyword Protocol References------- ------- -------- ----------0 HOPOPT IPv6 Hop-by-Hop Option [RFC1883]1 ICMP Internet Control Message [RFC792]2 IGMP Internet Group Management [RFC1112]3 GGP Gateway-to-Gateway [RFC823]4 IP IP in IP (encapsulation) [RFC2003]5 ST Stream [RFC1190,RFC1819]6 TCP Transmission Control [RFC793]7 CBT CBT [Ballardie]8 EGP Exterior Gateway Protocol [RFC888,DLM1]9 IGP any private interior gateway [IANA](used by Cisco for their IGRP)10 BBN-RCC-MON BBN RCC Monitoring [SGC]11 NVP-II Network Voice Protocol [RFC741,SC3]12 PUP PUP [PUP,XEROX]13 ARGUS ARGUS [RWS4]14 EMCON EMCON [BN7]15 XNET Cross Net Debugger [IEN158,JFH2]16 CHAOS Chaos [NC3]17 UDP User Datagram [RFC768,JBP]18 MUX Multiplexing [IEN90,JBP]19 DCN-MEAS DCN Measurement Subsystems [DLM1]20 HMP Host Monitoring [RFC869,RH6]21 PRM Packet Radio Measurement [ZSU]22 XNS-IDP XEROX NS IDP [ETHERNET,XEROX]23 TRUNK-1 Trunk-1 [BWB6]24 TRUNK-2 Trunk-2 [BWB6]25 LEAF-1 Leaf-1 [BWB6]26 LEAF-2 Leaf-2 [BWB6]27 RDP Reliable Data Protocol [RFC908,RH6]28 IRTP Internet Reliable Transaction [RFC938,TXM]29 ISO-TP4 ISO Transport Protocol Class 4 [RFC905,RC77]30 NETBLT Bulk Data Transfer Protocol [RFC969,DDC1]31 MFE-NSP MFE Network Services Protocol [MFENET,BCH2]32 MERIT-INP MERIT Internodal Protocol [HWB]33 DCCP Datagram Congestion ControlProtocol [RFC-ietf-dccp-spec-11.txt]34 3PC Third Party Connect Protocol [SAF3]35 IDPR Inter-Domain Policy Routing Protocol [MXS1]36 XTP XTP [GXC]37 DDP Datagram Delivery Protocol [WXC]38 IDPR-CMTP IDPR Control Message Transport Proto [MXS1]39 TP++ TP++ Transport Protocol [DXF]40 IL IL Transport Protocol [Presotto]41 IPv6 Ipv6 [Deering]42 SDRP Source Demand Routing Protocol [DXE1]43 IPv6-Route Routing Header for IPv6 [Deering]44 IPv6-Frag Fragment Header for IPv6 [Deering]45 IDRP Inter-Domain Routing Protocol [Sue Hares]46 RSVP Reservation Protocol [Bob Braden]47 GRE General Routing Encapsulation [Tony Li]48 MHRP Mobile Host Routing Protocol[David Johnson]49 BNA BNA [Gary Salamon]50 ESP Encap Security Payload [RFC2406]51 AH Authentication Header [RFC2402]52 I-NLSP Integrated Net Layer Security TUBA [GLENN]53 SWIPE IP with Encryption [JI6]54 NARP NBMA Address Resolution Protocol [RFC1735]55 MOBILE IP Mobility [Perkins]56 TLSP Transport Layer Security Protocol [Oberg] using Kryptonet key management57 SKIP SKIP [Markson]58 IPv6-ICMP ICMP for IPv6 [RFC1883]59 IPv6-NoNxt No Next Header for IPv6 [RFC1883]60 IPv6-Opts Destination Options for IPv6 [RFC1883]61 any host internal protocol [IANA]62 CFTP CFTP [CFTP,HCF2]63 any local network [IANA]64 SAT-EXPAK SATNET and Backroom EXPAK [SHB]65 KRYPTOLAN Kryptolan [PXL1]66 RVD MIT Remote Virtual Disk Protocol [MBG]67 IPPC Internet Pluribus Packet Core [SHB]68 any distributed file system [IANA]69 SAT-MON SATNET Monitoring [SHB]70 VISA VISA Protocol [GXT1]71 IPCV Internet Packet Core Utility [SHB]72 CPNX Computer Protocol Network Executive [DXM2]73 CPHB Computer Protocol Heart Beat [DXM2]74 WSN Wang Span Network [VXD]75 PVP Packet Video Protocol [SC3]76 BR-SAT-MON Backroom SATNET Monitoring [SHB]77 SUN-ND SUN ND PROTOCOL-Temporary [WM3]78 WB-MON WIDEBAND Monitoring [SHB]79 WB-EXPAK WIDEBAND EXPAK [SHB]80 ISO-IP ISO Internet Protocol [MTR]81 VMTP VMTP [DRC3]82 SECURE-VMTP SECURE-VMTP [DRC3]83 VINES VINES [BXH]84 TTP TTP [JXS]85 NSFNET-IGP NSFNET-IGP [HWB]86 DGP Dissimilar Gateway Protocol [DGP,ML109]87 TCF TCF [GAL5]88 EIGRP EIGRP [CISCO,GXS]89 OSPFIGP OSPFIGP [RFC1583,JTM4]90 Sprite-RPC Sprite RPC Protocol [SPRITE,BXW]91 LARP Locus Address Resolution Protocol [BXH]92 MTP Multicast Transport Protocol [SXA]93 AX.25 AX.25Frames [BK29]94 IPIP IP-within-IP Encapsulation Protocol [JI6]95 MICP Mobile Internetworking Control Pro. [JI6]96 SCC-SP Semaphore Communications Sec.Pro. [HXH]97 ETHERIP Ethernet-within-IP Encapsulation [RFC3378]98 ENCAP Encapsulation Header [RFC1241,RXB3]99 any private encryption scheme [IANA] 100 GMTP GMTP [RXB5] 101 IFMP Ipsilon Flow Management Protocol [Hinden] 102 PNNI PNNI over IP [Callon] 103 PIM Protocol Independent Multicast [Farinacci] 104 ARIS ARIS [Feldman] 105 SCPS SCPS [Durst] 106 QNX QNX [Hunter] 107 A/N Active Networks [Braden] 108 IPComp IP Payload Compression Protocol [RFC2393] 109 SNP Sitara Networks Protocol [Sridhar]110 Compaq-Peer Compaq Peer Protocol [Volpe] 111 IPX-in-IP IPX in IP [Lee] 112 VRRP Virtual Router Redundancy Protocol [RFC3768] 113 PGM PGM Reliable Transport Protocol [Speakman] 114 any 0-hop protocol [IANA] 115 L2TP Layer Two Tunneling Protocol [Aboba] 116 DDX D-II Data Exchange (DDX) [Worley] 117 IATP Interactive Agent Transfer Protocol [Murphy] 118 STP Schedule Transfer Protocol [JMP] 119 SRP SpectraLink Radio Protocol [Hamilton] 120 UTI UTI [Lothberg] 121 SMP Simple Message Protocol [Ekblad] 122 SM SM [Crowcroft] 123 PTP Performance Transparency Protocol [Welzl] 124 ISIS over IPv4 [Przygienda] 125 FIRE [Partridge] 126 CRTP Combat Radio Transport Protocol [Sautter] 127 CRUDP Combat Radio User Datagram [Sautter] 128 SSCOPMCE [Waber] 129 IPLT [Hollbach] 130 SPS Secure Packet Shield [McIntosh] 131 PIPE Private IP Encapsulation within IP [Petri] 132 SCTP Stream Control Transmission Protocol [Stewart] 133 FC Fibre Channel [Rajagopal] 134 RSVP-E2E-IGNORE [RFC3175] 135 Mobility Header [RFC3775] 136 UDPLite [RFC3828] 137 MPLS-in-IP [RFC4023] 138-252 Unassigned [IANA] 253 Use for experimentation and testing [RFC3692] 254 Use for experimentation and testing [RFC3692] 255 Reserved [IANA]。

自考网络应用程序设计题库答案

选择题(1) UDP可以提供的端口数是65535(2) 根据TCP或UDP端口的分配规则，端口254保留给特定的服务3) 保留给其他服务的端口是2564) 在Internet 中，用三元组标识一个应用层进程。

这种三元组，指的是传输层协议，主机的IP 地址，传输层的端口号5) 在Internet 中，可以标识一个完整的网间通信的是传输层协议，本地机IP 地址，本地机传输层端口，远地机IP 地址，远地机传输层端口6) 规定纯文本电子邮件信件的格式的是RFC8227) 接收电子邮件的邮局协议是POP38) 因特网上使用最多的一种应用是email(9) SMTP命令的一般的格式命令关键字参数<CRLF>(10) SMTP客户问候SMTP服务器命令格式是HELO发送方的主机名<CRLF>(11) 写信字段的格式是MAIL FROM发信人的电子邮件地址<CRLF>12) 请求发送邮件内容命令格式：DATA <CRLF>13) 空操作命令格式：NOOP <CRLF>14) 系统状态或系统帮助应答码字是21115) 帮助信息的码字是21416) 服务器关闭传输通道码字是221 (17)网易的SMTP服务器的域名是18) 规定电子邮件信件内容结构的标准是RFC82219) 信头字段包括四部分，第一部分是字段名20) 信头字段的结构包括字段折叠21) 发送者对发送的发送格式是Sender：mailbox <CRLF>22) Win32 操作系统下支持多进程多线程机制23) 阻塞套接字的I/O 操作调用、等待、返回24) 套接字I/O 模型，种类数是525) 不是图形界面的操作系统有DOS(26) —般C程序中的Main或Win Ma in函数是主线程27) Win32 操作系统中可调度的最小的执行单位线程28) 为程序员提供了Windows 应用程序的集成开发环境的是vc++29) 线程分的种类数是2(30)在MFC应用程序中，所有的线程是CWinThread对象31) 适用于处理那些不要求用户输入并且比较消耗时间的其他任务的是工作线程32) 一个工作线程对应一个控制函数33) 创建并启动工作线程的函数AfxBeginThread34) 用户界面窗口类，包括窗口，对话框(35) AfxBegi nThread(函数的第一个参数是pThreadClass36) Windows Internet 扩展应用程序高级编程接口WInternet(37) 利用MFC Winlnet类来编写In ternet应用程序还具的优点支持Web代理服务器访问(38) 封装了HINTERNE哙话根句柄的是ClnternetSession类39) 文件类包括CInternetFile 类40) 代表MFC WinInet 类的成员函数在执行时所发生的错误或异常的是Cln ternetFile类(41) 使用Winlnet类编程的步骤包括创建ClnternetSession类对象，创建并初始化lnternet 会话(42) 如果需要使用异步操作模式，可以重载On StatusCallback函数(43) MFC提供的套接字类是Win dows Socket API(44) CSocke类派生于CAsyncSocke类45) 管理通信的是CSocketFile(46) afxSock.h的包含文件包含了CAsyncSockejt CSocket 和CSocketFile(47) CAs yn cSocke类对象称为异步选择(48) 创建该对象的底层套接字句柄Create(成员函数49) 流式异步套接字对象，使用端口是2750) 套接字相关的事件与通知消息，有6(51) 根据TCP或者UDP的端口分配机制，保留端口的范围是？????0~1023(52) UNIX操作系统对文件和所有其它的输入/输出设备，采用一种统一的操作模式。

FTP协议RFC中英文文文档

FTP协议概念：FTP 是 TCP/IP 协议组中的协议之一，是英文File Transfer Protocol的缩写。

该协议是Internet文件传送的基础，它由一系列规格说明文档组成，目标是提高文件的共享性，提供非直接使用远程计算机，使存储介质对用户透明和可靠高效地传送数据。

简单的说，FTP就是完成两台计算机之间的拷贝，从远程计算机拷贝文件至自己的计算机上，称之为“下载（download）”文件。

若将文件从自己计算机中拷贝至远程计算机上，则称之为“上载（upload）”文件。

在TCP/IP协议中，FTP标准命令TCP端口号为21，Port方式数据端口为20。

FTP 的目标是：1）促进程序/数据文件的共享；2）鼓励（通过程序）使用远程计算机3）使用户不必面对不同主机上不同文件系统的差异；4）对数据进行高效可靠的传输。

FTP 尽管可以直接在终端上应用，但它主要被设计通过程序来使用。

数据由发送端主机存储设备传输到接收端主机的存储设备上。

由于两个系统的数据存储形式不同，经常需要将数据转换形式。

例如，NVT-ASCII 在不同的系统中有不同的存储表示。

DEC TOP-20 一般用5 个7 位的ASCII 字符存储NVT-ASCII，左对齐成36 位的字。

IBMMainframe 用8 位EBCDIC 编码存储NVT-ASCII。

Multics 将NVT-ASCII 存储成4 个9 位字符组成的字。

当在不同的系统中传输字符时理应将其转换成标准的NVT-ASCII 表示。

发送和接收端则应相应地在标准表示法和内部表示法间转换。

当传输二进制数据时表示法的另一个问题就是不同主机有不同的字长度。

并不总是明确发送端怎样发送数据以及接收端怎样接收数据。

例如，当从一个32 位字长的系统传输32 位字节到一个36 位字长的系统时，应该（为了高效和实用）在后一个系统中将32 位字节在36 位字中右对齐。

无论哪种情况，用户都应该可以选择数据表示形式和传输功能。

端口号对照表

Port Assignments:Keyword Decimal Description References------- ------- ----------- ----------0/tcp Reserved0/udp Reserved# Jon Postel <postel&>spr-itunes 0/tcp Shirt Pocket netTunesspl-itunes 0/tcp Shirt Pocket launchTunes# David Nanian <dnanian&> 28 September 2007 tcpmux 1/tcp TCP Port Service Multiplexertcpmux 1/udp TCP Port Service Multiplexer# Mark Lottor <MKL&>compressnet 2/tcp Management Utilitycompressnet 2/udp Management Utilitycompressnet 3/tcp Compression Processcompressnet 3/udp Compression Process# Bernie Volz <volz&># 4/tcp Unassigned# 4/udp Unassignedrje 5/tcp Remote Job Entryrje 5/udp Remote Job Entry# Jon Postel <postel&># 6/tcp Unassigned# 6/udp Unassignedecho 7/tcp Echoecho 7/udp Echo# Jon Postel <postel&># 8/tcp Unassigned# 8/udp Unassigneddiscard 9/tcp Discarddiscard 9/udp Discard# Jon Postel <postel&>discard 9/sctp Discard# IETF TSVWG# Randall Stewart <rrs&># [RFC4960]discard 9/dccp Discard SC:DISC# IETF dccp WG, Eddie Kohler <kohler&>, [RFC4340] # 10/tcp Unassigned# 10/udp Unassignedsystat 11/tcp Active Userssystat 11/udp Active Users# Jon Postel <postel&># 12/tcp Unassigned# 12/udp Unassigneddaytime 13/tcp Daytime (RFC 867)daytime 13/udp Daytime (RFC 867)# Jon Postel <postel&># 14/tcp Unassigned# 14/udp Unassigned# 15/tcp Unassigned [was netstat]# 15/udp Unassigned# 16/tcp Unassigned# 16/udp Unassignedqotd 17/tcp Quote of the Dayqotd 17/udp Quote of the Day# Jon Postel <postel&>msp 18/tcp Message Send Protocolmsp 18/udp Message Send Protocol# Rina Nethaniel <---none---> chargen 19/tcp Character Generatorchargen 19/udp Character Generatorftp-data 20/tcp File Transfer [Default Data]ftp-data 20/udp File Transfer [Default Data]# Jon Postel <postel&>ftp-data 20/sctp FTP# IETF TSVWG# Randall Stewart <rrs&> # [RFC4960]ftp 21/tcp File Transfer [Control]ftp 21/udp File Transfer [Control]# Jon Postel <postel&>ftp 21/sctp FTP# IETF TSVWG# Randall Stewart <rrs&> # [RFC4960]ssh 22/tcp The Secure Shell (SSH) Protocol ssh 22/udp The Secure Shell (SSH) Protocol# [RFC4251]ssh 22/sctp SSH# IETF TSVWG# Randall Stewart <rrs&> # [RFC4960]telnet 23/tcp Telnettelnet 23/udp Telnet# Jon Postel <postel&>24/tcp any private mail system24/udp any private mail system# Rick Adams <rick&>smtp 25/tcp Simple Mail Transfersmtp 25/udp Simple Mail Transfer# Jon Postel <postel&># 26/tcp Unassigned# 26/udp Unassignednsw-fe 27/tcp NSW User System FEnsw-fe 27/udp NSW User System FE# Robert Thomas <BThomas&># 28/tcp Unassigned# 28/udp Unassignedmsg-icp 29/tcp MSG ICPmsg-icp 29/udp MSG ICP# Robert Thomas <BThomas&># 30/tcp Unassigned# 30/udp Unassignedmsg-auth 31/tcp MSG Authenticationmsg-auth 31/udp MSG Authentication# Robert Thomas <BThomas&># 32/tcp Unassigned# 32/udp Unassigneddsp 33/tcp Display Support Protocoldsp 33/udp Display Support Protocol# Ed Cain <cain&># 34/tcp Unassigned# 34/udp Unassigned35/tcp any private printer server35/udp any private printer server# Jon Postel <postel&># 36/tcp Unassigned# 36/udp Unassignedtime 37/tcp Timetime 37/udp Time# Jon Postel <postel&>rap 38/tcp Route Access Protocolrap 38/udp Route Access Protocol# Robert Ullmann <ariel&>rlp 39/tcp Resource Location Protocolrlp 39/udp Resource Location Protocol# Mike Accetta <MIKE.ACCETTA&> # 40/tcp Unassigned# 40/udp Unassignedgraphics 41/tcp Graphicsgraphics 41/udp Graphicsname 42/tcp Host Name Servername 42/udp Host Name Servernameserver 42/tcp Host Name Servernameserver 42/udp Host Name Servernicname 43/tcp Who Isnicname 43/udp Who Ismpm-flags 44/tcp MPM FLAGS Protocolmpm-flags 44/udp MPM FLAGS Protocolmpm 45/tcp Message Processing Module [recv]mpm 45/udp Message Processing Module [recv]mpm-snd 46/tcp MPM [default send]mpm-snd 46/udp MPM [default send]# Jon Postel <postel&>ni-ftp 47/tcp NI FTPni-ftp 47/udp NI FTP# Steve Kille <S.Kille&>auditd 48/tcp Digital Audit Daemonauditd 48/udp Digital Audit Daemon# Larry Scott <scott&>tacacs 49/tcp Login Host Protocol (TACACS)tacacs 49/udp Login Host Protocol (TACACS)# Pieter Ditmars <pditmars&>re-mail-ck 50/tcp Remote Mail Checking Protocolre-mail-ck 50/udp Remote Mail Checking Protocol# Steve Dorner <s-dorner&>la-maint 51/tcp IMP Logical Address Maintenancela-maint 51/udp IMP Logical Address Maintenance# Andy Malis <malis_a&>xns-time 52/tcp XNS Time Protocolxns-time 52/udp XNS Time Protocol# Susie Armstrong <Armstrong.wbst128@XEROX> domain 53/tcp Domain Name Serverdomain 53/udp Domain Name Server# Paul Mockapetris <PVM&>xns-ch 54/tcp XNS Clearinghousexns-ch 54/udp XNS Clearinghouse# Susie Armstrong <Armstrong.wbst128@XEROX> isi-gl 55/tcp ISI Graphics Languageisi-gl 55/udp ISI Graphics Languagexns-auth 56/tcp XNS Authenticationxns-auth 56/udp XNS Authentication# Susie Armstrong <Armstrong.wbst128@XEROX>57/tcp any private terminal access57/udp any private terminal access# Jon Postel <postel&>xns-mail 58/tcp XNS Mailxns-mail 58/udp XNS Mail# Susie Armstrong <Armstrong.wbst128@XEROX>59/tcp any private file service59/udp any private file service# Jon Postel <postel&># 60/tcp Unassigned# 60/udp Unassignedni-mail 61/tcp NI MAILni-mail 61/udp NI MAIL# Steve Kille <S.Kille&>acas 62/tcp ACA Servicesacas 62/udp ACA Services# E. Wald <ewald&>whois++ 63/tcp whois++whois++ 63/udp whois++# Rickard Schoultz <schoultz&sunet.se>covia 64/tcp Communications Integrator (CI)covia 64/udp Communications Integrator (CI)# Dan Smith <dan.smith&> tacacs-ds 65/tcp TACACS-Database Servicetacacs-ds 65/udp TACACS-Database Service# Kathy Huber <khuber&>sql*net 66/tcp Oracle SQL*NETsql*net 66/udp Oracle SQL*NET# Jack Haverty <jhaverty&>bootps 67/tcp Bootstrap Protocol Serverbootps 67/udp Bootstrap Protocol Serverbootpc 68/tcp Bootstrap Protocol Clientbootpc 68/udp Bootstrap Protocol Client# Bill Croft <Croft&> tftp 69/tcp Trivial File Transfertftp 69/udp Trivial File Transfer# David Clark <ddc&>gopher 70/tcp Gophergopher 70/udp Gopher# Mark McCahill <mpm&> netrjs-1 71/tcp Remote Job Servicenetrjs-1 71/udp Remote Job Servicenetrjs-2 72/tcp Remote Job Servicenetrjs-2 72/udp Remote Job Servicenetrjs-3 73/tcp Remote Job Servicenetrjs-3 73/udp Remote Job Servicenetrjs-4 74/tcp Remote Job Servicenetrjs-4 74/udp Remote Job Service# Bob Braden <Braden&>75/tcp any private dial out service75/udp any private dial out service# Jon Postel <postel&>deos 76/tcp Distributed External Object Storedeos 76/udp Distributed External Object Store# Robert Ullmann <ariel&>77/tcp any private RJE service77/udp any private RJE service# Jon Postel <postel&>vettcp 78/tcp vettcpvettcp 78/udp vettcp# Christopher Leong <leong&>finger 79/tcp Fingerfinger 79/udp Finger# David Zimmerman <dpz&># Unauthorized use by some mail users (see [RFC4146] for details) http 80/tcp World Wide Web HTTPhttp 80/udp World Wide Web HTTPwww 80/tcp World Wide Web HTTPwww 80/udp World Wide Web HTTPwww-http 80/tcp World Wide Web HTTPwww-http 80/udp World Wide Web HTTP# Tim Berners-Lee <timbl&>http 80/sctp HTTP# IETF TSVWG# Randall Stewart <rrs&># [RFC4960]# 81 Unassigned (Removed on 2007-09-06)xfer 82/tcp XFER Utilityxfer 82/udp XFER Utility# Thomas M. Smith <Thomas.M.Smith&>mit-ml-dev 83/tcp MIT ML Devicemit-ml-dev 83/udp MIT ML Device# David Reed <--none--->ctf 84/tcp Common Trace Facilityctf 84/udp Common Trace Facility# Hugh Thomas <thomas&>mit-ml-dev 85/tcp MIT ML Devicemit-ml-dev 85/udp MIT ML Device# David Reed <--none--->mfcobol 86/tcp Micro Focus Cobolmfcobol 86/udp Micro Focus Cobol# Simon Edwards <--none--->87/tcp any private terminal link87/udp any private terminal link# Jon Postel <postel&>kerberos 88/tcp Kerberoskerberos 88/udp Kerberos# B. Clifford Neuman <bcn&>su-mit-tg 89/tcp SU/MIT Telnet Gatewaysu-mit-tg 89/udp SU/MIT Telnet Gateway# Mark Crispin <MRC&>########### PORT 90 also being used unofficially by Pointcast #########dnsix 90/tcp DNSIX Securit Attribute Token Mapdnsix 90/udp DNSIX Securit Attribute Token Map# Charles Watt <watt&>mit-dov 91/tcp MIT Dover Spoolermit-dov 91/udp MIT Dover Spooler# Eliot Moss <EBM&>npp 92/tcp Network Printing Protocolnpp 92/udp Network Printing Protocol# Louis Mamakos <louie&>dcp 93/tcp Device Control Protocoldcp 93/udp Device Control Protocol# Daniel Tappan <Tappan&>objcall 94/tcp Tivoli Object Dispatcherobjcall 94/udp Tivoli Object Dispatcher# Tom Bereiter <--none--->supdup 95/tcp SUPDUPsupdup 95/udp SUPDUP# Mark Crispin <MRC&>dixie 96/tcp DIXIE Protocol Specificationdixie 96/udp DIXIE Protocol Specification# Tim Howes <Tim.Howes&>swift-rvf 97/tcp Swift Remote Virtural File Protocolswift-rvf 97/udp Swift Remote Virtural File Protocol# Maurice R. Turcotte# <mailrus!uflorida!rm1!dnmrt%rmatl&> tacnews 98/tcp TAC Newstacnews 98/udp TAC News# Jon Postel <postel&>metagram 99/tcp Metagram Relaymetagram 99/udp Metagram Relay# Geoff Goodfellow <Geoff&>newacct 100/tcp [unauthorized use]hostname 101/tcp NIC Host Name Serverhostname 101/udp NIC Host Name Server# Jon Postel <postel&>iso-tsap 102/tcp ISO-TSAP Class 0iso-tsap 102/udp ISO-TSAP Class 0# Marshall Rose <mrose&> gppitnp 103/tcp Genesis Point-to-Point Trans Netgppitnp 103/udp Genesis Point-to-Point Trans Netacr-nema 104/tcp ACR-NEMA Digital Imag. & Comm. 300acr-nema 104/udp ACR-NEMA Digital Imag. & Comm. 300# Patrick McNamee <--none--->cso 105/tcp CCSO name server protocolcso 105/udp CCSO name server protocol# Martin Hamilton <martin&> csnet-ns 105/tcp Mailbox Name Nameservercsnet-ns 105/udp Mailbox Name Nameserver# Marvin Solomon <solomon&>3com-tsmux 106/tcp 3COM-TSMUX3com-tsmux 106/udp 3COM-TSMUX# Jeremy Siegel <jzs&>########## 106 Unauthorized use by insecure poppassd protocol rtelnet 107/tcp Remote Telnet Servicertelnet 107/udp Remote Telnet Service# Jon Postel <postel&>snagas 108/tcp SNA Gateway Access Serversnagas 108/udp SNA Gateway Access Server# Kevin Murphy <murphy&> pop2 109/tcp Post Office Protocol - Version 2pop2 109/udp Post Office Protocol - Version 2# Joyce K. Reynolds <jkrey&>pop3 110/tcp Post Office Protocol - Version 3pop3 110/udp Post Office Protocol - Version 3# Marshall Rose <mrose&> sunrpc 111/tcp SUN Remote Procedure Callsunrpc 111/udp SUN Remote Procedure Call# Chuck McManis <cmcmanis&> mcidas 112/tcp McIDAS Data Transmission Protocolmcidas 112/udp McIDAS Data T ransmission Protocol# Glenn Davis <support&>ident 113/tcpauth 113/tcp Authentication Serviceauth 113/udp Authentication Service# Mike St. Johns <stjohns&># 114 Deprecated June 2004sftp 115/tcp Simple File Transfer Protocolsftp 115/udp Simple File Transfer Protocol# Mark Lottor <MKL&> ansanotify 116/tcp ANSA REX Notifyansanotify 116/udp ANSA REX Notify# Nicola J. Howarth <njh&>uucp-path 117/tcp UUCP Path Serviceuucp-path 117/udp UUCP Path Servicesqlserv 118/tcp SQL Servicessqlserv 118/udp SQL Services# Larry Barnes <barnes&> nntp 119/tcp Network News Transfer Protocolnntp 119/udp Network News Transfer Protocol# Phil Lapsley <phil&> cfdptkt 120/tcp CFDPTKTcfdptkt 120/udp CFDPTKT# John Ioannidis <ji&close.cs.columbia.ed> erpc 121/tcp Encore Expedited Remote Pro.Callerpc 121/udp Encore Expedited Remote Pro.Call# Jack O'Neil <---none--->smakynet 122/tcp SMAKYNETsmakynet 122/udp SMAKYNET# Pierre Arnaud <pierre.arnaud&> ntp 123/tcp Network Time Protocolntp 123/udp Network Time Protocol# Dave Mills <mills&># [RFC5905]ansatrader 124/tcp ANSA REX Traderansatrader 124/udp ANSA REX Trader# Nicola J. Howarth <njh&>locus-map 125/tcp Locus PC-Interface Net Map Serlocus-map 125/udp Locus PC-Interface Net Map Ser# Eric Peterson <lcc.eric&> nxedit 126/tcp NXEditnxedit 126/udp NXEdit# Don Payette <Don.Payette&>###########Port 126 Previously assigned to application below########unitary 126/tcp Unisys Unitary Login#unitary 126/udp Unisys Unitary Login# <feil&>###########Port 126 Previously assigned to application above####### locus-con 127/tcp Locus PC-Interface Conn Serverlocus-con 127/udp Locus PC-Interface Conn Server# Eric Peterson <lcc.eric&>gss-xlicen 128/tcp GSS X License Verificationgss-xlicen 128/udp GSS X License Verification# John Light <johnl&>pwdgen 129/tcp Password Generator Protocolpwdgen 129/udp Password Generator Protocol# Frank J. Wacho <WANCHO&> cisco-fna 130/tcp cisco FNATIVEcisco-fna 130/udp cisco FNATIVEcisco-tna 131/tcp cisco TNATIVEcisco-tna 131/udp cisco TNATIVEcisco-sys 132/tcp cisco SYSMAINTcisco-sys 132/udp cisco SYSMAINTstatsrv 133/tcp Statistics Servicestatsrv 133/udp Statistics Service# Dave Mills <Mills&>ingres-net 134/tcp INGRES-NET Serviceingres-net 134/udp INGRES-NET Service# Mike Berrow <---none--->epmap 135/tcp DCE endpoint resolutionepmap 135/udp DCE endpoint resolution# Joe Pato <pato&>profile 136/tcp PROFILE Naming Systemprofile 136/udp PROFILE Naming System# Larry Peterson <llp&>netbios-ns 137/tcp NETBIOS Name Servicenetbios-ns 137/udp NETBIOS Name Servicenetbios-dgm 138/tcp NETBIOS Datagram Servicenetbios-dgm 138/udp NETBIOS Datagram Servicenetbios-ssn 139/tcp NETBIOS Session Servicenetbios-ssn 139/udp NETBIOS Session Service# Jon Postel <postel&>emfis-data 140/tcp EMFIS Data Serviceemfis-data 140/udp EMFIS Data Serviceemfis-cntl 141/tcp EMFIS Control Serviceemfis-cntl 141/udp EMFIS Control Service# Gerd Beling <GBELING&>bl-idm 142/tcp Britton-Lee IDMbl-idm 142/udp Britton-Lee IDM# Susie Snitzer <---none--->imap 143/tcp Internet Message Access Protocolimap 143/udp Internet Message Access Protocol# Mark Crispin <MRC&>uma 144/tcp Universal Management Architectureuma 144/udp Universal Management Architecture# Jay Whitney <jw&>uaac 145/tcp UAAC Protocoluaac 145/udp UAAC Protocol# David A. Gomberg <gomberg&> iso-tp0 146/tcp ISO-IP0iso-tp0 146/udp ISO-IP0iso-ip 147/tcp ISO-IPiso-ip 147/udp ISO-IP# Marshall Rose <mrose&>jargon 148/tcp Jargonjargon 148/udp Jargon# Bill Weinman <wew&>aed-512 149/tcp AED 512 Emulation Serviceaed-512 149/udp AED 512 Emulation Service# Albert G. Broscius <broscius&> sql-net 150/tcp SQL-NETsql-net 150/udp SQL-NET# Martin Picard <<---none--->hems 151/tcp HEMShems 151/udp HEMSbftp 152/tcp Background File Transfer Programbftp 152/udp Background File Transfer Program# Annette DeSchon <DESCHON&>sgmp 153/tcp SGMPsgmp 153/udp SGMP# Marty Schoffstahl <schoff&>netsc-prod 154/tcp NETSCnetsc-prod 154/udp NETSCnetsc-dev 155/tcp NETSCnetsc-dev 155/udp NETSC# Sergio Heker <heker&>sqlsrv 156/tcp SQL Servicesqlsrv 156/udp SQL Service# Craig Rogers <Rogers&>knet-cmp 157/tcp KNET/VM Command/Message Protocolknet-cmp 157/udp KNET/VM Command/Message Protocol# Gary S. Malkin <GMALKIN&>pcmail-srv 158/tcp PCMail Serverpcmail-srv 158/udp PCMail Server# Mark L. Lambert <markl&>nss-routing 159/tcp NSS-Routingnss-routing 159/udp NSS-Routing# Yakov Rekhter <Yakov&>sgmp-traps 160/tcp SGMP-TRAPSsgmp-traps 160/udp SGMP-TRAPS# Marty Schoffstahl <schoff&>snmp 161/tcp SNMPsnmp 161/udp SNMPsnmptrap 162/tcp SNMPTRAPsnmptrap 162/udp SNMPTRAP# Marshall Rose <mrose&>cmip-man 163/tcp CMIP/TCP Managercmip-man 163/udp CMIP/TCP Managercmip-agent 164/tcp CMIP/TCP Agentcmip-agent 164/udp CMIP/TCP Agent# Amatzia Ben-Artzi <---none--->xns-courier 165/tcp Xeroxxns-courier 165/udp Xerox# Susie Armstrong <Armstrong.wbst128&>s-net 166/tcp Sirius Systemss-net 166/udp Sirius Systems# Brian Lloyd <brian&>namp 167/tcp NAMPnamp 167/udp NAMP# Marty Schoffstahl <schoff&>rsvd 168/tcp RSVDrsvd 168/udp RSVD# Previous contact: Neil Todd <mcvax!!neil&># Current contact: Alan Sandell <alan.sandell&> 01 May 2008send 169/tcp SENDsend 169/udp SEND# William D. Wisner <wisner&>print-srv 170/tcp Network PostScriptprint-srv 170/udp Network PostScript# Brian Reid <reid&>multiplex 171/tcp Network Innovations Multiplexmultiplex 171/udp Network Innovations Multiplexcl/1 172/tcp Network Innovations CL/1cl/1 172/udp Network Innovations CL/1# Kevin DeVault <<---none--->xyplex-mux 173/tcp Xyplexxyplex-mux 173/udp Xyplex# Bob Stewart <STEWART&>mailq 174/tcp MAILQmailq 174/udp MAILQ# Rayan Zachariassen <rayan&> vmnet 175/tcp VMNETvmnet 175/udp VMNET# Christopher Tengi <tengi&>genrad-mux 176/tcp GENRAD-MUXgenrad-mux 176/udp GENRAD-MUX# Ron Thornton <thornton&> xdmcp 177/tcp X Display Manager Control Protocolxdmcp 177/udp X Display Manager Control Protocol# Robert W. Scheifler <RWS&> nextstep 178/tcp NextStep Window Servernextstep 178/udp NextStep Window Server# Leo Hourvitz <leo&>bgp 179/tcp Border Gateway Protocolbgp 179/udp Border Gateway Protocol# Kirk Lougheed <LOUGHEED&> bgp 179/sctp BGP# IETF TSVWG# Randall Stewart <rrs&># [RFC4960]ris 180/tcp Intergraphris 180/udp Intergraph# Dave Buehmann <ingr!daveb&> unify 181/tcp Unifyunify 181/udp Unify# Mark Ainsley <ianaportmaster&>audit 182/tcp Unisys Audit SITPaudit 182/udp Unisys Audit SITP# Gil Greenbaum <gcole&> ocbinder 183/tcp OCBinderocbinder 183/udp OCBinderocserver 184/tcp OCServerocserver 184/udp OCServer# Jerrilynn Okamura <--none--->remote-kis 185/tcp Remote-KISremote-kis 185/udp Remote-KISkis 186/tcp KIS Protocolkis 186/udp KIS Protocol# Ralph Droms <rdroms&>aci 187/tcp Application Communication Interfaceaci 187/udp Application Communication Interface# Rick Carlos <>mumps 188/tcp Plus Five's MUMPSmumps 188/udp Plus Five's MUMPS# Hokey Stenn <hokey&>qft 189/tcp Queued File Transportqft 189/udp Queued File Transport# Wayne Schroeder <schroeder&> gacp 190/tcp Gateway Access Control Protocolgacp 190/udp Gateway Access Control Protocol# C. Philip Wood <cpw&>prospero 191/tcp Prospero Directory Serviceprospero 191/udp Prospero Directory Service# B. Clifford Neuman <bcn&>osu-nms 192/tcp OSU Network Monitoring Systemosu-nms 192/udp OSU Network Monitoring System# Doug Karl <KARL-D&> srmp 193/tcp Spider Remote Monitoring Protocolsrmp 193/udp Spider Remote Monitoring Protocol# Ted J. Socolofsky <Teds&>irc 194/tcp Internet Relay Chat Protocolirc 194/udp Internet Relay Chat Protocol# Jarkko Oikarinen <jto&TOLSUN.OULU.FI>dn6-nlm-aud 195/tcp DNSIX Network Level Module Auditdn6-nlm-aud 195/udp DNSIX Network Level Module Auditdn6-smm-red 196/tcp DNSIX Session Mgt Module Audit Redirdn6-smm-red 196/udp DNSIX Session Mgt Module Audit Redir# Lawrence Lebahn <DIA3&> dls 197/tcp Directory Location Servicedls 197/udp Directory Location Servicedls-mon 198/tcp Directory Location Service Monitordls-mon 198/udp Directory Location Service Monitor# Scott Bellew <smb&>smux 199/tcp SMUXsmux 199/udp SMUX# Marshall Rose <mrose&>src 200/tcp IBM System Resource Controllersrc 200/udp IBM System Resource Controller# Gerald McBrearty <---none--->at-rtmp 201/tcp AppleTalk Routing Maintenanceat-rtmp 201/udp AppleTalk Routing Maintenanceat-nbp 202/tcp AppleTalk Name Bindingat-nbp 202/udp AppleTalk Name Bindingat-3 203/tcp AppleTalk Unusedat-3 203/udp AppleTalk Unusedat-echo 204/tcp AppleTalk Echoat-echo 204/udp AppleTalk Echoat-5 205/tcp AppleTalk Unusedat-5 205/udp AppleTalk Unusedat-zis 206/tcp AppleTalk Zone Informationat-zis 206/udp AppleTalk Zone Informationat-7 207/tcp AppleTalk Unusedat-7 207/udp AppleTalk Unusedat-8 208/tcp AppleTalk Unusedat-8 208/udp AppleTalk Unused# Rob Chandhok <chandhok&> qmtp 209/tcp The Quick Mail Transfer Protocolqmtp 209/udp The Quick Mail Transfer Protocol# Dan Bernstein <djb&>z39.50 210/tcp ANSI Z39.50z39.50 210/udp ANSI Z39.50# Mark H. Needleman <markn&>914c/g 211/tcp Texas Instruments 914C/G Terminal914c/g 211/udp Texas Instruments 914C/G Terminal# Bill Harrell <---none--->anet 212/tcp ATEXSSTRanet 212/udp ATEXSSTR# Jim Taylor <taylor&>ipx 213/tcp IPXipx 213/udp IPX# Don Provan <donp&> vmpwscs 214/tcp VM PWSCSvmpwscs 214/udp VM PWSCS# Dan Shia <dset!shia&>softpc 215/tcp Insignia Solutionssoftpc 215/udp Insignia Solutions# Martyn Thomas <---none--->CAIlic 216/tcp Computer Associates Int'l License ServerCAIlic 216/udp Computer Associates Int'l License Server# Chuck Spitz <spich04&>dbase 217/tcp dBASE Unixdbase 217/udp dBASE Unix# Don Gibson# <sequent!aero!twinsun!!dong&> mpp 218/tcp Netix Message Posting Protocolmpp 218/udp Netix Message Posting Protocol# Shannon Yeh <yeh&>uarps 219/tcp Unisys ARPsuarps 219/udp Unisys ARPs# Ashok Marwaha <---none--->imap3 220/tcp Interactive Mail Access Protocol v3imap3 220/udp Interactive Mail Access Protocol v3# James Rice <RICE&> fln-spx 221/tcp Berkeley rlogind with SPX authfln-spx 221/udp Berkeley rlogind with SPX authrsh-spx 222/tcp Berkeley rshd with SPX authrsh-spx 222/udp Berkeley rshd with SPX authcdc 223/tcp Certificate Distribution Centercdc 223/udp Certificate Distribution Center# Kannan Alagappan <kannan&>########### Possible Conflict of Port 222 with "Masqdialer"################# Contact for Masqdialer is Charles Wright <cpwright&>### masqdialer 224/tcp masqdialermasqdialer 224/udp masqdialer# Charles Wright <cpwright&># 225-241 Reserved# Jon Postel <postel&>direct 242/tcp Directdirect 242/udp Direct# Herb Sutter <HerbS&>sur-meas 243/tcp Survey Measurementsur-meas 243/udp Survey Measurement# Dave Clark <ddc&>inbusiness 244/tcp inbusinessinbusiness 244/udp inbusiness# Derrick Hisatake <derrick.i.hisatake&>link 245/tcp LINKlink 245/udp LINKdsp3270 246/tcp Display Systems Protocoldsp3270 246/udp Display Systems Protocol# Weldon J. Showalter <Gamma&> subntbcst_tftp 247/tcp SUBNTBCST_TFTPsubntbcst_tftp 247/udp SUBNTBCST_TFTP# John Fake <fake&>bhfhs 248/tcp bhfhsbhfhs 248/udp bhfhs# John Kelly <johnk&># 249-255 Reserved# Jon Postel <postel&>rap 256/tcp RAPrap 256/udp RAP# J.S. Greenfield <greeny&>set 257/tcp Secure Electronic Transactionset 257/udp Secure Electronic Transaction# Donald Eastlake <dee3&># 258 Unassigned (Removed 2006-09-13)esro-gen 259/tcp Efficient Short Remote Operationsesro-gen 259/udp Efficient Short Remote Operations# Mohsen Banan <mohsen&>openport 260/tcp Openportopenport 260/udp Openport# John Marland <jmarland&>nsiiops 261/tcp IIOP Name Service over TLS/SSLnsiiops 261/udp IIOP Name Service over TLS/SSL# Jeff Stewart <jstewart&>arcisdms 262/tcp Arcisdmsarcisdms 262/udp Arcisdms# Russell Crook (rmc&sni.ca>hdap 263/tcp HDAPhdap 263/udp HDAP# Troy Gau <troy&>bgmp 264/tcp BGMPbgmp 264/udp BGMP# Dave Thaler <thalerd&>x-bone-ctl 265/tcp X-Bone CTLx-bone-ctl 265/udp X-Bone CTL# Joe Touch <touch&>sst 266/tcp SCSI on STsst 266/udp SCSI on ST# Donald D. Woelz <don&>td-service 267/tcp Tobit David Service Layertd-service 267/udp Tobit David Service Layertd-replica 268/tcp Tobit David Replicatd-replica 268/udp Tobit David Replica# Franz-Josef Leuders <development&>manet 269/tcp MANET Protocolsmanet 269/udp MANET Protocols# [RFC5498]# 270/tcp Reservedgist 270/udp Q-mode encapsulation for GIST messages# [RFC-ietf-nsis-ntlp-20.txt]# 271-279 Unassignedhttp-mgmt 280/tcp http-mgmthttp-mgmt 280/udp http-mgmt# Adrian Pell# <PELL_ADRIAN/HP-UnitedKingdom_om6&> personal-link 281/tcp Personal Linkpersonal-link 281/udp Personal Link# Dan Cummings <doc&>cableport-ax 282/tcp Cable Port A/Xcableport-ax 282/udp Cable Port A/X# Craig Langfahl <Craig_J_Langfahl&> rescap 283/tcp rescaprescap 283/udp rescap# Paul Hoffman <phoffman&>corerjd 284/tcp corerjdcorerjd 284/udp corerjd# Chris Thornhill <port_contact&cjt.ca># 285 Unassignedfxp 286/tcp FXP Communicationfxp 286/udp FXP Communication# James Darnall <james_r_darnall&>k-block 287/tcp K-BLOCKk-block 287/udp K-BLOCK# Simon P Jackson <jacko&># 288-307 Unassignednovastorbakcup 308/tcp Novastor Backupnovastorbakcup 308/udp Novastor Backup# Brian Dickman <brian&>entrusttime 309/tcp EntrustTimeentrusttime 309/udp EntrustTime# Peter Whittaker <pww&>bhmds 310/tcp bhmdsbhmds 310/udp bhmds# John Kelly <johnk&>asip-webadmin 311/tcp AppleShare IP WebAdminasip-webadmin 311/udp AppleShare IP WebAdmin# Ann Huang <annhuang&>vslmp 312/tcp VSLMPvslmp 312/udp VSLMP# Gerben Wierda <Gerben_Wierda&RnA.nl>magenta-logic 313/tcp Magenta Logicmagenta-logic 313/udp Magenta Logic# Karl Rousseau <kr&>opalis-robot 314/tcp Opalis Robotopalis-robot 314/udp Opalis Robot# Laurent Domenech, Opalis <ldomenech&>dpsi 315/tcp DPSIdpsi 315/udp DPSI# Tony Scamurra <Tony&>decauth 316/tcp decAuthdecauth 316/udp decAuth# Michael Agishtein <misha&>zannet 317/tcp Zannet。

中国电信-IPoE接入认证规范-session级IPoE分册

中国电信IPoE接入认证规范－Session级IPoE分册(征求意见稿)中国电信集团公司2010年06月目录前言 (4)1 范围 (5)2 规范性引用文件 (6)3 缩略语 (7)4 IPoE定义与发展 (8)5 IPoE业务流程 (9)5.1 业务流程 (9)5.1.1 用户接入流程 (9)5.1.2 用户下线流程 (10)5.1.3 用户续租流程 (10)5.1.4 用户异常掉线处理 (11)5.2 认证属性规范 (12)5.2.1 MAC地址 (12)5.2.2 Option60 (12)5.2.3 Option82 (12)5.3 IPoE安全防护 (13)5.3.1 仿冒DHCP Server攻击 (13)5.3.2 家庭网关开启DHCP Server (13)5.3.3 用户DHCP泛洪攻击 (14)5.3.4 用户数据转发层面泛洪攻击 (15)5.4 地址分配策略 (15)5.5 用户业务识别与控制 (15)5.6 业务可靠性 (16)5.7 IPoE流程分析 (17)6 设备技术要求 (19)6.1 对终端设备的要求 (19)6.2 IPoE对DHCP Server的要求 (19)6.2.1 Option支持要求 (19)6.2.2 地址分配要求 (20)6.2.3 管理功能要求 (20)6.2.4 可靠性与备份要求 (20)6.2.5 性能容量要求 (20)6.3 IPoE对MSE的要求 (21)6.3.1 IP地址管理与分配 (21)6.3.2 认证、计费要求 (21)Session (22)6.3.3 IPoE6.3.4 业务分流功能 (22)6.4 IPoE对后台系统的要求 (23)6.4.1 AAA认证系统 (23)6.4.2 BOSS系统 (23)6.5 IPoE对宽带接入网的要求 (24)7 部署改造及演进建议 (25)7.1 用户终端 (25)7.2 MSE (26)7.2.1 MSE改造 (26)7.2.2 MSE的部署演进建议 (26)Server (27)7.3 DHCP7.3.1 内置DHCP Server部署 (27)7.3.2 外置DHCP Server部署 (27)7.3.3 部署方案建议 (28)7.4 后台相关系统 (29)7.4.1 后台系统概况 (29)7.4.2 改造建议 (30)7.5 宽带接入网 (31)7.5.1 VLAN部署 (31)7.5.2 QoS部署 (31)7.5.3 Option82 (31)7.5.4 安全 (32)7.5.5 组播 (32)附录A DHCP报文 (33)A.1 Vendor Class Identifier (Option60) (33)A.2 Relay Agent Information Option (Option82) (33)前言本规范是根据中国电信对IPoE新型接入方式研究而制定的，主要用于指导IPoE认证方式的引入，规范网络设备技术。

常用IP协议号

[MFENET,BCH2]
32
MERIT-INPMERIT节点间协议
MERIT Internodal Protocol
[HWB]
33
DCCP数据报拥塞控制协议
Datagram Congestion Control Protocol
[RFC-ietf-dccp-spec-11.txt]
34
3PC第三方连接协议
Source Demand Routing Protocol
[DXE1]
43
IPv6-RouteIPv6的路由标头
Routing Header for IPv6
[Deering]
44
IPv6-FragIPv6的片断标头
Fragment Header for IPv6
[Deering]
45
IDRP域间路由协议
常用IP协议号
协议号
协议名
协议名称解释
参考标准
0
HOPOPT逐跳选项
IPv6Hop-by-HopOption
[RFC1883]
1
ICMP控制消息
Internet Control Message
[RFC792]
2
IGMP组管理
Internet Group Management
[RFC1112]
3
GGP网关对网关
[David Johnson]
49
BNA
BNA
[Gary Salamon]
50
ESPIPv6的封装安全负载
Encap Security Payload
[RFC2406]
51
AHIPv6的身份验证标头
Authentication Header

SMTP POP3协议整理

邮件协议整理写在前面最开始的邮件传输是根据SMTP实现的，但由于历史原因，Internet上的很多网关不能正确传输8 bit内码的字符，比如汉字等。

所以出现了对邮件内容编码的需要。

这样，在邮件协议中除了smtp、pop外，又增加了与编码相关的MIME。

概括地说，smtp、pop与邮件的接收、发送过程相关，这两者负责邮件的传输；而MIME 与邮件内容（这里，邮件内容包括发件人信息、收件人/抄送人信息、邮件正文、附件）相关，约定了被传输邮件的格式。

可以这样理解，smtp、pop完成了邮差的工作，mime解决了信件（包括信封）格式的问题。

没有mime之前，邮差只能给美国人送邮件；有了mime 之后，邮差可以提供国际快递业务了。

1.SmtpSMTP(Simple Mail Transfer Protocol)：简单邮件传输协议，是一组用于由源地址到目的地址传送邮件的规则,由它来控制信件的中转方式。

SMTP协议属于TCP／IP协议族,它帮助每台计算机在发送或中转信件时找到下一个目的地。

关于SMTP的详细介绍参考rfc821，/html/rfc821Rfc2821，/html/rfc2821验证过程>：auth login ---进行用户身份认证<：334 VXNlcm5hbWU6 ---BASE64编码“Username:”>：Y29zdGFAYW1heGl0Lm5ldA== ----发送BASE64编码的用户名<：334 UGFzc3dvcmQ6 ---BASE64编码"Password:">：MTk4MjIxNA== ---客户端发送BASE64编码的密码<：235 auth successfully ---成功客户端命令：HELO/EHLO 向服务器发出请求AUTH LOGIN 用户身份认证MAIL FROM: 发件人信息，RCPT TO: 收件人信息，告诉服务器邮件发送给谁,可重复多次，发送给多个收件人DA TA 邮件内容QUIT 本次请求结束服务器返回值：220 <domain> Service ready221 <domain> Service closing transmission channel250 Requested mail action okay, completed354 Start mail input; end with <CRLF>.<CRLF> 对data命令的应答其它参考【rfc821】、【rfc2821】示例：R: 220 USC-ISI.ARPA Simple Mail Transfer Service ReadyS: HELO LBL-UNIX.ARPAR: 250 USC-ISI.ARPAS: MAIL FROM:<mo@LBL-UNIX.ARPA>R: 250 OKS: RCPT TO:<Jones@USC-ISI.ARPA>R: OKS: DA TAR: 354 Start mail input; end with <CRLF>.<CRLF>S: Blah blah blah...S: ...etc. etc. etc.S: .R: 250 OKS: QUITR: 221 USC-ISI.ARPA Service closing transmission channel【注意】DA TA命令之后，若邮件服务器返回354状态值表示开始接收数据；用户开始发送数据，邮件数据连续发送，并以<CRLF>.<CRLF>结束。

RFC协议标准

标准参考文档链路层协议PPP(Point-to-Point Protocol)：RFC 1332： The PPP Internet Protocol Control Protocol (IPCP)RFC 1334： PPP Authentication ProtocolsRFC 1552： The PPP Internetworking Packet Exchange Control Protocol (IPXCP) RFC 1570： PPP LCP Extensions(实现了其中的callback选项)RFC 1661： The Point-to-Point Protocol (PPP)RFC 1877： PPP Internet Protocol Control Protocol Extensions for Name Server AddressesRFC 1990： The PPP Multilink Protocol (MP)RFC 1994： PPP Challenge Handshake Authentication Protocol (CHAP)RFC 2509： IP Header Compression over PPPRFC 1962： The PPP Compression Control Protocol (CCP)RFC 1974： PPP Stac LZS Compression ProtocoldX25、LAPB(Link Access Protocol Balanced)：RFC1613：Cisco Systems X.25 over TCP(XOT)RFC1598：PPP in X.25RFC1461：SNMP MIB extension for MultiProtocol Interconnect over X.25RFC1382： SNMP MIB Extension for the X.25 Packet LayerRFC1381： SNMP MIB Extension for X.25 LAPBRFC1356： Multiprotocol Interconnect on X.25 and ISDN in the Packet ModeRFC1236： IP to X.121 Address Mapping for DDNRFC1226： Internet Protocol Encapsulation of AX.25 FramesRFC1090： SMTP on X.25RFC1086： ISO-TP0 bridge between TCP and X.25RFC874： Critique of X.25RFC1236： IP to X.121 Address Mapping for DDNRFC1133： Routing between the NSFNET and the DDNCisco-HDLC：Cisco-HDLC是CISCO自己设计的一个协议,没有可参考的标准Frame Relay：RFC1294/1490： Multiprotocol Interconnect over Frame RelayRFC1293： Inverse Address Resolution Protocol(INARP)RFC1315： Management Information Base for Frame Relay DTEsITU-T Q933附录A：帧中继本地管理接口（LMI）协议ANSI T1.617附录D：帧中继本地管理接口（LMI）协议ISDN(Integrated Services Digital Network)：ITU-T Q.931建议(网络层)ITU-T Q.921建议(链路层)IP层协议RFC791： Internet Protocol. (IP)RFC792： Internet Control Message Protocol (ICMP)RFC793： TRANSMISSION CONTROL PROTOCOL (TCP)RFC896： Congestion Control in IP/TCP InternetworksRFC768： User Datagram Protocol (UDP)RFC 826： An Ethernet Address Resolution Protocol (ARP)Socket： Unix标准路由协议RIP(Routing Information Protocol)：RFC1058： Routing Information ProtocolRFC1723： RIP Version 2RFC2082： RIP-2 MD5 AuthenticationOSPF(Open Shortest Path First)：RFC2328： OSPF Version 2RFC1793： Extending OSPF to Support Demand CircuitsIGRP(Interior Gateway Routing Protocol)：IGRP协议无标准RFC，与CISCO保持兼容BGP(Border Gateway Protocol)：RFC1771： A Border Gateway Protocol 4(BGP-4)RFC1772： Application of the Border Gateway Protocol in the Internet (BGP-4) RFC1965： Autonomous System Confederations for BGPRFC1966： BGP Route Reflection -- An alternative to full mesh IBGPRFC1997： BGP Community AttributeRFC2439： BGP Route Flap Damping网络安全RADIUS(Remote Authentication Dial In User Service)：RFC2138： Remote Authentication Dial In User Service (RADIUS)RFC2139： RADIUS AccountingGRE(Generic Routing Encapsulation)：RFC1701： Generic Roouting Encapsulation (老版本)RFC1702： Generic Routing Encapsulation over IPv4 networksRFC2784： Generic Roouting Encapsulation (新版本)RFC2667： IP Tunnel MIBIPSEC(IP Security)：RFC1825： Security Architechure for the Internet Protocol (老版本)RFC2401： Security Architechure for the Internet Protocol (新版本)AH(Authentication Header)协议：RFC2402： IP Authentication HeaderRFC1321： The MD5 Message-Digest AlgorithmRFC2104： HMAC: Keyed-Hashing for Message AuthenticationRFC2085： IP Authentication with Replay PreventionRFC2403： The Use of HMAC-MD5-96 within ESP and AHRFC2404： The Use of HMAC-SHA-1-96 within ESP and AHESP(Encapsulating Security Payload)：RFC2406： IP Encapsulating Security Payload (ESP)RFC2405： The ESP DES-CBC Cipher Algorithm With Explicit IVIKE(Internet Key Exchange)：RFC2408：Internet Security Association and Key Management Protocol (ISAKMP) RFC2409：The Internet Key Exchange (IKE)RFC2407：The Internet IP Security Domain of Interpretation for ISAKMP (IPSEC DOI)L2TP(Layer 2 Tunnel Protocol)：RFC2661：Layer 2 Tunnel ProtocolNAT(Network Address Translator)：RFC1631：The IP Network Address Translator (NAT)RFC2663：IP Network Address Translator (NAT) Terminology and Considerations 网络管理SNMP(Simple Network Management Protocol)：RFC 1157： Simple Network Management Protocol (SNMP)。

RFC-反应流程图(ppt文档)

Compose the RFC Development team review
Publish the RFC Continuous improvement
11
Step 1: Brainstorm potential causes
Using a Fishbone diagram, brainstorm all the possible causes of outof-control signals for the process step. Consider 5M+E factors.
Within spec
No
window?
Yes
Verify with dummy
Exposed
copper?
Yes
No
Document it and inform Shift supt.
A
Form Rev AC
Check 1) Deflash rectifier 2) Titanium anode plate 3) Oil contamination in HP tank 4) Excessive mold/resin bleed out
Example of an RFC (Flowchart Type)
MS/ MT/Operator
Technician
Mfg Supervisor
Exposed copper
Check Deflash and Descale concentration
Within spec
window?
Yes
No
Top-up/Dilute chemical per Shift Engr. instruction and document it in chemical analysis recording book

ABAP面试大全

目录1. 报表知识 (6)1.1基础知识 (6)1.1.1报表事件，有哪些？ (6)1.1.2报表选择画面 (7)1.2ALV报表 (8)1.2.1ALV报表实现的流程 (8)1.2.2显示ALV常用的两个FM (8)1.2.3如何设置ALV中的热键 (8)1.2.4ALV显示中的小计 (8)1.2.5FM ALV 和 OO ALV的比较 (8)1.3WRITE LIST (8)2. 数据库知识 (9)2.1基础知识 (9)2.1.1 ABAP数据字典有哪些对象或元素？ (9)2.1.2 据库提交确认和数据库回滚取消语句 (9)2.1.3 什么是LUW (9)2.1.4简述modify 、insert、update对数据库表做操作时的影响 (9)2.1.5 要描述域、数据元素、表字段之间的关系 (9)2.1.6数据字典有几种缓冲方式，适用围？ (9)2.2ABAP和数据库 (10)2.2.1 ABAP 数据表的主索引是什么？索引的好处与坏处？与建索引的注意事项！ (10)2.2.2 ABAP透明表有哪几种数据类(data class)？对数据的存储有什么影响？ (10)2.2.3 SAP中有几种表，他们的区别是什么？ (10)2.2.4什么是簇表（cluster table）？举出知道的簇表。

(10)2.2.5找数据库表，有哪些常用的方法。

(10)2.2.6如何建立数据库锁对象，激活锁对象产生的Function Module的名字为什么，在何处查看锁表的情况？ (10)2.2.7更新 FM 分为 V1 和 V2，那么首先会执行哪一种更新类型呢？每种类型又是以哪种模式（异步、同步或本地）执行的呢？ (11)2.2.7使用OPEN SQL注意原则 (11)2.3与表相关 (11)2.3.1 MM模块有哪些常用表格 (11)2.3.2 HR模块知识：HR里面存储HR主数据主要用到了哪些表？ (11)2.3.3 HR模块知识：HR程序在开发中常用的两个逻辑数据库是什么？分别对其进行描述 12 2.3.4 HR模块知识：HR模块里面，如何修改HR的信息类型，具体如何实现 (12)2.3.5财务模块：财务模块开发中常用的表有哪些，简单举例说明： (12)2.3.6 PM 常用的TABLE (12)2.3.6 inner join 与 left-outer join的区别？ (13)3. 权限相关 (14)3.1什么是权限对象（Authorization Objects）？在 ABAP 程序中使用哪条语句进行授权检查？ (14)3.2与权限对象有关的事务代码有哪些？ (14)4. DIALOG (15)4.1DIALOG 中的几个事件 (15)4.2何在TABLE CONTROL中实现选中一行或多行的效果 (15)4.3DIALOG 开发的常用几个控件是什么？ (15)5. BDC (16)5.1BDC录屏的事务代码 (16)5.2BDC与BAPI之间的区别 (16)5.3BDC录屏的注意事项 (16)5.4谈谈BDC的运行模式和更新模式 (16)6. 增强 (17)6.1什么叫增强？有哪些方式进行增强？ (17)6.1.1 User EXIT (17)6.1.2 Customer exit (17)6.1.3 BADI (17)6.1.4 Enhancement Spot (17)6.2如何建立增强？ (17)6.3与增强相关的事务代码有哪些 (18)6.4如何进行数据库表字段的增强？Append和Include的方式有何区别？ (18)7. SMARTFORMS (19)7.1谈谈SmartForm中，Template和Table表格的区别 (19)7.2 SMART FORM如何实现公司LOG打印，其步骤是什么？ (19)7.3 smartform 中如何控制段落、单个字符输出格式？ (19)8. RFC和 BAPI (20)8.1 RFC (20)8.1.1什么是RFC，有哪些通信模式？ (20)8.1.2 RFC中涉及到常用的事务代码有哪些？ (20)8.1.3根据调用方式的不同，RFC接口提供了什么样的服务？ (20)8.1.4 RFC接口的具体功能包括哪些？ (20)8.1.5在通过CALL FUNCTION语句进行远程功能调用的基本模式有哪些 (20)8.1.6怎么创建一个支持远程调用的RFC (21)8.1.7怎么调用一个SAP标准RFC (21)8.1.8怎样建立RFC程序？RFC程序传递的参数都是传递值还是引用？如何建立函数组？ 21 8.1.9怎么来维护这个DESTINATION(远程目标） (21)8.2 BAPI (21)8.2.1什么是BAPI？你使用过哪些BAPI实现什么功能？ (21)8.2.2什么是业务对象类型？它包含哪些主件？ (21)8.2.3如何创建一个BAPI？ (22)8.2.4编写BAPI的注意事项有哪些？ (22)8.2.5谈谈与BAPI相关的事务代码。

rfc标准的数字证书

rfc标准的数字证书合同合同编号签署日期合同双方证书颁发机构（甲方）证书申请人（乙方）数字证书信息证书标准（如RFC 5280）证书类型（如X.509）证书申请与颁发申请流程颁发条件证书有效期起始日期到期日期费用及支付方式总费用支付方式支付时间证书使用使用范围限制条款证书撤销撤销条件撤销流程双方权利与义务甲方的义务乙方的义务数据保护与隐私数据保护措施隐私条款争议解决方式法律适用合同附加条款签署人信息附件合同: RFC标准数字证书协议书合同编号: [合同编号]签署日期: [签署日期]合同双方:甲方: [证书颁发机构名称]联系地址: [地址]联系电话: [电话]法定代表人/负责人: [姓名]乙方: [证书申请人名称]联系地址: [地址]联系电话: [电话]法定代表人/负责人: [姓名]数字证书信息:证书标准: [如RFC 5280]证书类型: [如X.509]证书申请与颁发:申请流程: 乙方需提交[申请材料]，甲方审核后进行颁发。

颁发条件: 乙方需符合[颁发条件]，如身份验证、申请信息完整等。

证书有效期:起始日期: [起始日期]到期日期: [到期日期]费用及支付方式:总费用: [总费用]支付方式: [支付方式，如银行转账]支付时间: [支付时间安排]证书使用:使用范围: 证书仅可用于[具体用途]。

限制条款: 证书不得用于[限制用途]。

证书撤销:撤销条件: 包括但不限于[撤销条件]如信息变更、合同违约等。

撤销流程: 乙方需提交[撤销申请材料]，甲方在[处理时间]内处理。

双方权利与义务:甲方的义务: 甲方负责证书的颁发、管理与维护，确保证书符合RFC标准。

乙方的义务: 乙方需提供真实准确的信息，遵守证书的使用规定。

数据保护与隐私:数据保护措施: 甲方应采取适当的技术和组织措施保护乙方数据的安全。

隐私条款: 甲方承诺不将乙方信息泄露给未经授权的第三方。

争议解决方式:合同争议应通过友好协商解决；如协商未果，则提交[指定仲裁机构]进行仲裁。