A protocol that transfers text and binary files without errors between diverse types of computers over potentially hostile communication links, and a suite of communications software programs; Columbia University.

A table of new Internet Drafts and RFC's that come out each week, with synopses. Archived summaries go back to June 1999.

Description of protocols, file formats, glossary of terms, RFCs.

Collates Request For Comments documents. Explains the RFC process, and includes a searchable database of RFCs.

Well known port numbers for TCP and UDP, from Internet Assigned Numbers Authority (IANA).

A consortium led by universities working in partnership with industry and government to develop and deploy advanced network applications and technologies, accelerating the creation of tomorrow's Internet.

General comments on protocol design, and good reference material on a few protocols (especially mail-related; also ftp, time, and misc) by Dan Bernstein.

Overview of Internet protocols.

List of documents organized by alphabetized subjects.

Independent organization managing the eXtensible Name Service, an open protocol and open-source platform for universal addressing, automated data exchange, and privacy control. Includes an overview, charter, history, and specifications.