Port 138

Modified by:

Port 138 is used for the NetBIOS datagram service, which is responsible for sending and receiving broadcast messages used for name resolution in a network. It is an older protocol, and is typically used in older Microsoft Windows environments. Today, it is mostly replaced by newer protocols such as DNS and WINS.

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 138
tcp
netbios-dgm
NETBIOS Datagram Service
WELL KNOWN PORT
Port 138
udp
netbios-dgm
NETBIOS Datagram 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
Ports 15900 – 16000
Port 15900- Port 16000 Port 16000- Port 16100 Port 16100- Port 16200 Port 16200-
Port 7128
Port 7128 is not reserved by IANA for any specific purpose, and it is
Port 6075
Port 6075 is not a reserved port for any specific service or application. It
Port 2808
Ports those registered with IANA are shown as official ports. The same port number
Port 397
Ports those registered with IANA are shown as official ports. The same port number
Port 5228
Port 5228 is used for the Google Cloud Messaging service, which is a mobile
Port 2077
Port 2077 is used for communication between the Kaspersky Administration Kit and Kaspersky Security
Port 1458
Ports those registered with IANA are shown as official ports. The same port number
Ports 40600 – 40700
Port 40600- Port 40700 Port 40700- Port 40800 Port 40800- Port 40900 Port 40900-
Port 3029
Ports those registered with IANA are shown as official ports. The same port number
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