Port 30301 is typically used for communication between nodes in the Ethereum network. It is the default port for the P2P protocol used by the Ethereum clients to synchronize with one another.
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 |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |
Port 30301 | BitTorrent |