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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 Categories Internet Protocols Related Terms IP ping Shopping ICMP Products Compare Products,Prices and Stores Shop by Category: Routers 95 Model Matches Firewalls 85 Model Matches Networking Hubs and Switches 181 Model Matches IP Phones 20 Model Matches Other Network Devices 42 Model Matches