Port 119 — NNTP
Quick reference for TCP/UDP port 119, used by NNTP. Includes what the service does, security guidance and related ports.
Port
119
Protocol
TCP
Service
NNTP
What is port 119?
Network News Transfer Protocol.
What port does NNTP use?
NNTP listens on port 119 by default.
Security guidance
Medium risk — open with care
Port 119 (NNTP) can safely face the internet if you keep the software up to date, restrict admin endpoints, and use TLS where possible. Audit who can reach it and watch your logs.
Frequently asked
What is port 119 used for?+
Port 119 is the standard TCP/UDP port for NNTP. Network News Transfer Protocol.
What port does NNTP use?+
NNTP listens on port 119 by default.
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