Surf these sites: Active IETF Working Groups -- A list of Working Groups and their web addresses. Internet protocols -- General comments on protocol design, and good reference material on a few protocols (especially mail-related; also ftp, time, and misc) by Dan Bernstein Port Numbers and Services Database -- Well known port numbers for TCP and UDP, from from Internet Assigned Numbers Authority (IANA). RFC Sourcebook -- A guide to the Request for Comments documents. CDs are published quarterly, updated weekly. RFC-Editor (englisch) -- Einfache Suche von RFCs (Request for comments) welche Protokolle fürs Internet definieren. TCP/UDP Port Numbers -- A table of well known and not so well known port assignments.
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