Some "good to know" RFCs (at least if you're an IT guy, like me)... (QRY) Search for a particular keyword... (TXT) RFC 0791 - Internet Protocol (TXT) RFC 0792 - Internet Control Message Protocol (TXT) RFC 0793 - Transmission Control Protocol (TXT) RFC 0821 - Simple Mail Transfer Protocol (TXT) RFC 0850 - Standard for Interchange of USENET Messages (TXT) RFC 0894 - A Standard for the Transmission of IP Datagrams over Ethernet Networks (TXT) RFC 0959 - File Transfer Protocol (FTP) (TXT) RFC 0977 - Network News Transfer Protocol (TXT) RFC 1034 - Domain Names - Concepts and Facilities (TXT) RFC 1035 - Domain Names - Implementation and Specification (TXT) RFC 1036 - Standard for Interchange of USENET Messages (TXT) RFC 1149 - A Standard for the Transmission of IP Datagrams on Avian Carriers (TXT) RFC 1178 - Choosing a Name for Your Computer (TXT) RFC 1288 - The Finger User Information Protocol (TXT) RFC 1305 - Network Time Protocol (Version 3) Specification, Implementation and Analysis (TXT) RFC 1321 - The MD5 Message-Digest Algorithm (TXT) RFC 1323 - TCP Extensions for High Performance (TXT) RFC 1350 - The TFTP protocol (revision 2) (TXT) RFC 1436 - The Internet Gopher Protocol (a distributed document search and retrieval protocol) (TXT) RFC 1591 - Domain Name System Structure and Delegation (TXT) RFC 1731 - IMAP4 Authentication Mechanisms (TXT) RFC 1734 - POP3 AUTHentication command (TXT) RFC 1738 - Uniform Resource Locators (URL) (TXT) RFC 1918 - Address Allocation for Private Internets (TXT) RFC 1939 - Post Office Protocol - Version 3 (TXT) RFC 1945 - Hypertext Transfer Protocol -- HTTP/1.0 (TXT) RFC 1950 - ZLIB Compressed Data Format Specification version 3.3 (TXT) RFC 1951 - DEFLATE Compressed Data Format Specification version 1.3 (TXT) RFC 1952 - GZIP file format specification version 4.3 (TXT) RFC 2045 - Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies (TXT) RFC 2046 - Multipurpose Internet Mail Extensions (MIME) Part Two: Media Types (TXT) RFC 2047 - Multipurpose Internet Mail Extensions (MIME) Part Three: Message Header Extensions for Non-ASCII Text (TXT) RFC 2048 - Multipurpose Internet Mail Extensions (MIME) Part Four: Registration Procedures (TXT) RFC 2049 - Multipurpose Internet Mail Extensions (MIME) Part Five: Conformance Criteria and Examples (TXT) RFC 2109 - HTTP State Management Mechanism (TXT) RFC 2195 - IMAP/POP AUTHorize Extension for Simple Challenge/Response (TXT) RFC 2385 - Protection of BGP Sessions via the TCP MD5 Signature Option (TXT) RFC 2396 - Uniform Resource Identifiers (URI): Generic Syntax (TXT) RFC 2401 - Security Architecture for the Internet Protocol (TXT) RFC 2428 - FTP Extensions for IPv6 and NATs (TXT) RFC 2449 - POP3 Extension Mechanism (TXT) RFC 2616 - Hypertext Transfer Protocol -- HTTP/1.1 (TXT) RFC 2617 - HTTP Authentication: Basic and Digest Access Authentication (TXT) RFC 2817 - Upgrading to TLS Within HTTP/1.1 (TXT) RFC 2818 - HTTP Over TLS (TXT) RFC 2980 - Common NNTP Extensions (TXT) RFC 3164 - The BSD syslog Protocol (TXT) RFC 3206 - The SYS and AUTH POP Response Codes (TXT) RFC 3330 - Special-Use IPv4 Addresses (TXT) RFC 3659 - Extensions to FTP (TXT) RFC 3977 - Network News Transfer Protocol (NNTP) (TXT) RFC 4217 - Securing FTP with TLS (TXT) RFC 4266 - The gopher URI Scheme (TXT) RFC 4271 - A Border Gateway Protocol 4 (BGP-4) (TXT) RFC 4642 - Using Transport Layer Security (TLS) with Network News Transfer Protocol (NNTP) (TXT) RFC 4643 - Network News Transfer Protocol (NNTP) Extension for Authentication (TXT) RFC 4644 - Network News Transfer Protocol (NNTP) Extension for Streaming Feeds (TXT) RFC 4893 - BGP Support for Four-octet AS Number Space (TXT) RFC 5424 - The Syslog Protocol (DIR) Other (non-RFC) technical documentation