%% You should probably cite rfc2402 instead of this I-D. @techreport{ietf-ipsec-auth-header-06, number = {draft-ietf-ipsec-auth-header-06}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-ipsec-auth-header/06/}, author = {Ran Atkinson and Stephen Kent}, title = {{IP Authentication Header}}, pagetotal = 22, year = 1998, month = may, day = 13, abstract = {The IP Authentication Header (AH) is used to provide connectionless integrity and data origin authentication for IP datagrams (hereafter referred to as just "authentication"), and to provide protection against replays. {[}STANDARDS-TRACK{]}}, }