Internet Control Message Protocol (ICMP)

Map Of Internet 1973

About

The Internet Control Message Protocol (ICMP) are message used to:

  • exchange information,
  • and error information

in the Internet Protocol (IP).

Example of ICMP Utility

Type

  • address-unreachable
  • bad-header
  • beyond-scope
  • communication-prohibited
  • destination-unreachable
  • echo-reply
  • echo-request
  • failed-policy
  • fragmentation-needed
  • host-precedence-violation
  • host-prohibited
  • host-redirect
  • host-unknown
  • host-unreachable
  • ip-header-bad
  • neighbour-advertisement
  • neighbour-solicitation
  • network-prohibited
  • network-redirect
  • network-unknown
  • network-unreachable
  • no-route
  • packet-too-big
  • parameter-problem
  • port-unreachable
  • precedence-cutoff
  • protocol-unreachable
  • redirect
  • reject-route
  • required-option-missing
  • router-advertisement
  • router-solicitation
  • source-quench
  • source-route-failed
  • time-exceeded
  • timestamp-reply
  • timestamp-request
  • tos-host-redirect
  • tos-host-unreachable
  • tos-network-redirect
  • tos-network-unreachable
  • ttl-zero-during-reassembly
  • ttl-zero-during-transit
  • unknown-header-type
  • unknown-option





Discover More
ICMP types

can be used in Firewalld to limit the exchange of ICMP messages.
Map Of Internet 1973
Network - IP (Internet Protocol)

See : A host can have several IP addresses and IP names, but it can only have one host name IP name IP address The Internet Control Message Protocol (ICMP) are message used to exchange information...
Map Of Internet 1973
Network - Ping

ping is an ICMP utility that helps you check routing, not access control. inetutils ping for ipv6 prometheus smokeping



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