- RFC 821 - Simple Mail Transfer Protocol
- RFC 2119 - Key words for use in RFCs to Indicate Requirement Levels
- RFC 2396 - Uniform Resource Identifiers (URI): Generic Syntax
- RFC 793 - Transmission Control Protocol
- RFC 1123 - Requirements for Internet Hosts - Application and Support
- RFC 1034 - Domain names - concepts and facilities
- RFC 2616 - Hypertext Transfer Protocol -- HTTP/1.1
- RFC 2045 - Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies
- RFC 1321 - The MD5 Message-Digest Algorithm
- RFC 1738 - Uniform Resource Locators (URL)
- RFC 1918 - Address Allocation for Private Internets
- RFC 822 - Standard for the format of ARPA Internet text messages
- RFC 1521 - MIME (Multipurpose Internet Mail Extensions) Part One: Mechanisms for Specifying and Describing the Format of Internet Message Bodies
- RFC 1766 - Tags for the Identification of Languages
- RFC 2068 - Hypertext Transfer Protocol -- HTTP/1.1
- RFC 1700 - Assigned Numbers
- RFC 1855 - Netiquette Guidelines
- RFC 1591 - Domain Name System Structure and Delegation
- RFC 1122 - Requirements for Internet Hosts - Communication Layers
- RFC 2046 - Multipurpose Internet Mail Extensions (MIME) Part Two: Media Types
- RFC 1157 - Simple Network Management Protocol (SNMP)
- RFC 1213 - Management Information Base for Network Management of TCP/IP-based internets:MIB-II
- RFC 1866 - Hypertext Markup Language - 2.0
- RFC 1945 - Hypertext Transfer Protocol -- HTTP/1.0
- RFC 977 - Network News Transfer Protocol
- RFC 1155 - Structure and identification of management information for TCP/IP-based internets
- RFC 791 - Internet Protocol
- RFC 1661 - The Point-to-Point Protocol (PPP)
- RFC 1112 - Host extensions for IP multicasting
- RFC 1212 - Concise MIB definitions
- RFC 959 - File Transfer Protocol
- RFC 2026 - The Internet Standards Process -- Revision 3
- RFC 1035 - Domain names - implementation and specification
- RFC 2401 - Security Architecture for the Internet Protocol
- RFC 1889 - RTP: A Transport Protocol for Real-Time Applications
- RFC 2131 - Dynamic Host Configuration Protocol
- RFC 768 - User Datagram Protocol
- RFC 2543 - SIP: Session Initiation Protocol
- RFC 2574 - User-based Security Model (USM) for version 3 of the Simple Network Management Protocol (SNMPv3)
- RFC 1867 - Form-based File Upload in HTML
- RFC 3261 - SIP: Session Initiation Protocol
- RFC 792 - Internet Control Message Protocol
- RFC 2571 - An Architecture for Describing SNMP Management Frameworks
- RFC 2047 - MIME (Multipurpose Internet Mail Extensions) Part Three: Message Header Extensions for Non-ASCII Text
- RFC 2573 - SNMP Applications
- RFC 2575 - View-based Access Control Model (VACM) for the Simple Network Management Protocol (SNMP)
- RFC 2234 - Augmented BNF for Syntax Specifications: ABNF
- RFC 2205 - Resource ReSerVation Protocol (RSVP) -- Version 1 Functional Specification
- RFC 1510 - The Kerberos Network Authentication Service (V5)
- RFC 1459 - Internet Relay Chat Protocol