| Port No | 1 |
| Service Name | tcpmux |
| RFC Doc | 1078 |
| Protocol | TCP |
| Description | tcpmux - TCP Port Service Multiplexer Scans against this port are commonly used to test if a machine runs SGI Irix (as SGI is the only system that typically has this enabled). This service is almost never used in practice. |
| Reference Link | TCP port service Multiplexer (TCPMUX): RFC1078 |
| Attack | Virtually all traffic to port 1 can be considered hostile. |
Catch threats immediately
We work side-by-side with you to rapidly detect cyberthreats
and thwart attacks before they cause damage.