Port 137

Modified by:

Port 137 is primarily used for NetBIOS Name Service, which is a protocol used for name registration and resolution in a Windows-based network. It allows computers to communicate with each other using names instead of IP addresses. Port 137 is also used for server message block (SMB) traffic, which is a protocol used for file sharing, printer sharing, and other types of communication between Windows systems.

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 137
tcp
netbios-ns
NETBIOS Name Service
WELL KNOWN PORT
Port 137
udp
netbios-ns
NETBIOS Name Service
WELL KNOWN PORT

UnOfficial

Unofficialy or sometimes with conflict, the same port may be used by different applications.

Port Protocol (TCP/UDP) Description
TCP UDP Ports
Other ports
Port 3435
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Port 3859
Ports those registered with IANA are shown as official ports. The same port number
Port 1320
Ports those registered with IANA are shown as official ports. The same port number
Port 1508
Ports those registered with IANA are shown as official ports. The same port number
Port 31458
Ports those registered with IANA are shown as official ports. The same port number
Port 3034
Ports those registered with IANA are shown as official ports. The same port number
Port 7121
Port 7121 is used for the Oracle database server process commonly known as the
Ports 48500 – 48600
Port 48500- Port 48600 Port 48600- Port 48700 Port 48700- Port 48800 Port 48800-
Port 9007
Ports those registered with IANA are shown as official ports. The same port number
Port 8230
Ports those registered with IANA are shown as official ports. The same port number
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