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IP Authentication Header
RFC 4302

Revision differences

Document history

Date By Action
2026-05-20
(System)
Changed metadata: changed keywords to '['IP-AUTH', 'ipsec', 'Internet', 'Protocol', 'AH', 'security', 'IPv4', 'IPv6', 'ip security', 'confidentiality', 'authentication', 'integrity', 'anti-replay', 'ah', 'esp', 'encapsulating security payload', 'ike', …
Changed metadata: changed keywords to '['IP-AUTH', 'ipsec', 'Internet', 'Protocol', 'AH', 'security', 'IPv4', 'IPv6', 'ip security', 'confidentiality', 'authentication', 'integrity', 'anti-replay', 'ah', 'esp', 'encapsulating security payload', 'ike', 'internet key exchange', 'ikev2', 'esn', 'extended sequence number']' from '[]'
2026-05-20
(System) Metadata update from RFC Editor
2026-05-20
(System) Changed author "S. Kent": changed name from "Stephen Kent" to "S. Kent", cleared country (was "USA"), changed order from "0" to "1"
2026-05-20
(System) Metadata update from RFC Editor
2020-01-21
(System) Received changes through RFC Editor sync (added Verified Errata tag)
2005-12-27
Amy Vezza State Changes to RFC Published from RFC Ed Queue by Amy Vezza
2005-12-27
Amy Vezza [Note]: 'RFC 4302' added by Amy Vezza
2005-12-22
(System) RFC published