[1] [CITE@en[RFC 3507 - Internet Content Adaptation Protocol (ICAP)]]
( ([TIME[2014-06-08 07:17:07 +09:00]] 版))
<http://tools.ietf.org/html/rfc3507>

[3] [CITE[RFC Errata Report » RFC Editor]], [TIME[2021-04-24T09:58:45.000Z]] <https://www.rfc-editor.org/errata_search.php?rfc=3507>

[4] [CITE[ICAP Errata]], [TIME[2010-04-19T18:13:54.000Z]], [TIME[2021-04-24T09:59:21.694Z]] <http://www.measurement-factory.com/std/icap/>

[6] [TIME[2010-04-19T18:13:54.000Z]], [TIME[2021-04-24T10:00:05.187Z]] <http://www.measurement-factory.com/std/icap/rfc3507-fixed.txt>


[2] [CITE@en[draft-stecher-icap-subid-00 - ICAP Extensions]]
( ([TIME[2014-08-31 17:09:58 +09:00]] 版))
<http://tools.ietf.org/html/draft-stecher-icap-subid-00>