Port 391

Modified by:

Port 391 is used for SynOptics SNMP Relay Port, which is used by the Synoptics Device Management System to receive SNMP messages from other network devices and forward them to the appropriate destination.

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 391
tcp
synotics-relay
SynOptics SNMP Relay
WELL KNOWN PORT
Port 391
udp
synotics-relay
SynOptics SNMP Relay
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 1314
Port 1314 is often used for the Internet Protocol Security (IPSec) protocol, which provides
Ports 40400 – 40500
Port 40400- Port 40500 Port 40500- Port 40600 Port 40600- Port 40700 Port 40700-
Port 5224
Port 5224 is commonly used for Facebook Chat communication protocol XMPP (Extensible Messaging and
Port 9211
Port 9211 is often used as a default port for communication between a client
Port 2151
Ports those registered with IANA are shown as official ports. The same port number
Port 7000
Port 7000 is often used for communication between a client and a server in
Port 2953
Ports those registered with IANA are shown as official ports. The same port number
Port 2908
Ports those registered with IANA are shown as official ports. The same port number
Port 2026
Ports those registered with IANA are shown as official ports. The same port number
Port 1943
Port 1943 is typically used for secure HTTPS (Hypertext Transfer Protocol over Secure Socket
Add comment