Internet / Network Security
  1. Home
  2. Computing & Technology
  3. Internet / Network Security

ICMP

From Tony Bradley, CISSP-ISSAP, for About.com

Definition: ICMP, or Internet Control Message Protocol, is part of the Internet Protocol (IP) portion of TCP/IP. Common network testing commands such as PING and TRACERT (Trace Route) rely on the ICMP protocol.
Also Known As: Internet Control Message Protocol
Explore Internet / Network Security
About.com Special Features
Family Tech Center

Stay connected and entertained with reviews on tips on the latest HDTVs, cellphones and more. More >

Connect Your Home Computers

Easy ways to connect two computers for networking purposes. More >

Internet / Network Security
  1. Home
  2. Computing & Technology
  3. Internet / Network Security
  4. Security 101
  5. Computer Security Glossary
  6. I
  7. Network Security Glossary: ICMP

©2009 About.com, a part of The New York Times Company.

All rights reserved.