Port 134 is used for Microsoft NetBIOS NetBIOS Name Service (NBNS). It is used to resolve NetBIOS names and map them to IP addresses.
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 134 |
tcp |
ingres-net |
INGRES-NET Service |
WELL KNOWN PORT |
Port 134 |
udp |
ingres-net |
INGRES-NET Service |
WELL KNOWN PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |