Port 646

Modified by:

Port 646 is traditionally used for the Label Distribution Protocol (LDP), which is responsible for distributing labels used in Multiprotocol Label Switching (MPLS) networks.

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 646
tcp
ldp
LDP
WELL KNOWN PORT
Port 646
udp
ldp
LDP
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 1711
Port 1711 is used for Remote Authentication Dial-In User Service (RADIUS) accounting protocol. Ports
Port 2265
Ports those registered with IANA are shown as official ports. The same port number
Port 6407
Port 6407 is used for the communication between a Trend Micro Anti-SPAM solution and
Port 11106
Ports those registered with IANA are shown as official ports. The same port number
Port 1751
Port 1751 is commonly used for remote printing with the Internet Printing Protocol (IPP).
Port 2028
Ports those registered with IANA are shown as official ports. The same port number
Port 10480
Ports those registered with IANA are shown as official ports. The same port number
Port 2431
Port 2431 is typically used for the Intel Remote Management Module (RMM) protocol, which
Port 9082
Ports those registered with IANA are shown as official ports. The same port number
Port 11319
Ports those registered with IANA are shown as official ports. The same port number
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