Related RFCs and specifications

• GIF89a Specification
• HTML 3.2 Specification
• MIME types
• RFC 822 - Format of ARPA Internet Text Messages
• RFC 1521 - MIME
• RFC 1738 - Uniform Resource Locators
• RFC 1866 - Hypertext Markup Language - 2.0
• RFC 1945 - Hypertext Transfer Protocol -- HTTP/1.0
• RFC 2045 - MIME Part One: Format of Internet Message Bodies
• RFC 2046 - MIME Part Two: Media Types
• Cookie Spec
• Tunneling SSL