| Subject | English | Thesaurus |
| IT, abbr. | Independent Flow Control Messages | IFCM (SSP) |
| abbr., scottish | Integrated Message Handling & Control System | IMUS |
| abbr., comp., MS | Internet Control Message Protocol A required maintenance protocol in the TCP/IP suite that reports errors and allows simple connectivity. ICMP is used by the Ping tool to perform TCP/IP troubleshooting | ICMP (Internet Control Message Protocol) |
| abbr., file.ext. | Internet Control Message Protocol | ICMP (Novell) |
| IT, abbr. | Internet Control Message Protocol | ICMP |
| IT | Internet Control Message Protocol | A set of protocols that allow systems to communicate information about the state of services on other systems (For example, ICMP is used in determining whether systems are up, maximum packet sizes on links, whether a destination host/network/port is available. Hackers typically use (abuse) ICMP to determine information about the remote site) |
| telecom., abbr. | Internet Control Message Protocol | ICMP (IETF) |
| abbr., scottish | Joint Staff Message Control | JSMC |
| abbr., file.ext. | Message Control Program | MCP |
| comp., net., abbr. | Message Control Protocol | MCP |
| comp., abbr. | Ole Control Message | OCM |
| abbr., IT | ST Control Message Protocol | SCMP |
| abbr., avia. | Stock Control Message | SCM (Alexey Lebedev) |
| IT, abbr. | Stream Control Message Protocol | SCMP (ST2) |
| abbr., scottish | Transfer of control message, Non-Radar | TNR |
| abbr., avia. | ULD Control Message | UCM (Alexey Lebedev) |
| comp., net., abbr. | Wireless Control Message Protocol | WCMP |