Port 1081 is used for SOCKS proxy servers. It is commonly used for applications such as web browsing or file transfers to allow access through firewalls and network restrictions.
Ports those registered with IANA are shown as official ports. The same port number may be unofficialy used by various services or applications. The official usage are listed separately below its usage may change from time to time.
Official
| Port | Protocol (TCP/UDP) | Title | Description | Port Type |
| Port 1081 | tcp | pvuniwien | PVUNIWIEN | REGISTERED PORT |
| Port 1081 | udp | pvuniwien | PVUNIWIEN | REGISTERED PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
| Port | Protocol (TCP/UDP) | Description |