| Port No | 11 |
| Service Name | systat |
| RFC Doc | 866 |
| Protocol | UDP |
| Description | systat - Active Users On some UNIX machines, creating a connection to this port will dump the active processes and who launched them. The original intent for this was to make remote management of UNIX easier. However, intruders will query th |
| Reference Link | Active Users: RFC866 |
| Attack |
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