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RFC 793, "Transmission Control Protocol", September 1981

Note: This RFC has been obsoleted by RFC 9293

Note: This RFC has been updated by RFC 1122, RFC 3168, RFC 6093, RFC 6528

Source of RFC: Legacy
Area Assignment: tsv
See Also: RFC 793 w/ inline errata

Errata ID: 573
Status: Verified
Type: Technical
Publication Format(s) : TEXT
Reported By: Robert Braden
Date Reported: 2007-02-22

A number of details in RFC 793 were corrected, modified, or clarified in RFC 1122. Familiarity with RFC 1122 and more recent TCP documents is imperative before any implementation of RFC 793 is attempted.

TCP Feature             RFC 793 Ref       See RFC 1122 Section

Received PUSH bit	Section 2.8		4.2.2.2	
Urgent Pointer		Section 3.1		4.2.2.4
TCP state diagram	Section 3.2, p.23	4.2.2.8
Simultaneous Open	Section 3.4, Fig 8	4.2.2.10
Retransmission Timeout	Section 3.7		4.2.2.15, 4.2.3.1
Event Processing	Section 3.9		4.2.2.20

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