ICMP Last modified: Wednesday, May 23, 2001
Short for Internet Control Message Protocol, an extension to the Internet Protocol (IP) defined by RFC 792. ICMP supports packets containing error, control, and informational messages. The PING command, for example, uses ICMP to test an Internet connection.
RFC 792 Requests for Comments document for the Internet Control Message Protocol (ICMP).

Related Terms

IP ping

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