[2] 
[DFN[ICMP]] は、
[[インターネット]]の[[プロトコル]]の1つです。

[1]
[DFN[RFC 792]]

- [4] [CITE@en[RFC 792 - Internet Control Message Protocol]], [TIME[2021-04-04T07:48:00.000Z]], [TIME[2021-04-16T07:36:40.349Z]] <https://tools.ietf.org/html/rfc792#page-16>
- [5] [CITE[RFC Errata Report » RFC Editor]], [TIME[2021-04-16T07:36:53.000Z]] <https://www.rfc-editor.org/errata_search.php?rfc=792>


[3] [[ICMP Timestamp]]