Common Ports and Their Descriptions

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Port
TCP
UDP
Description
0
 
UDP
Reserved
1
TCP
UDP
TCP Port Service Multiplexer (TCPMUX)
2
TCP
UDP
CompressNET Management Utility
3
TCP
UDP
CompressNET Compression Process
4
TCP
UDP
Unassigned
5
TCP
UDP
Remote Job Entry
7
TCP
UDP
Echo Protocol
8
TCP
UDP
Unassigned
9
TCP
UDP
Discard Protocol
9
 
UDP
Wake-on-LAN


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