| Port No | 2 |
| Service Name | compressnet |
| RFC Doc | 0 |
| Protocol | UDP |
| Description | defunct service and a trojan |
| Reference Link | Port No:2 And Service Name:compressnet Of Protocol:UDP |
| Attack | Firewalling recommendations: Block port 2 inbound and outbound Attack detection: Any traffic to or from port 2 is likely hostile. |
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