Port 162 supports SNMP traps and snmptrap (TCP reference coverage) across distinct transports. Review each protocol before writing firewall or monitoring policy.
Unsolicited SNMP trap and inform notifications sent to a manager.
Devices reporting faults, state changes and threshold events to monitoring systems.
Server to client
Authenticate notifications where supported and rate-limit or filter noisy or spoofed sources.
snmptrap (TCP reference coverage) is documented as a network service convention for port 162 over TCP.
Use this reference entry when identifying or validating systems documented to use 162/TCP.
Varies
Confirm the listening process and current vendor documentation before permitting traffic; a listed convention does not prove the active service or its security posture.