119
NNTP
Medium RiskTCP — Messaging
Port Overview
Port Number
119
Service Name
NNTP
Transport Protocol
TCP
Category
Messaging
Security Risk
Medium
Port Range
Well-Known (0-1023)
What is Port 119?
NNTP (Network News Transfer Protocol), defined in RFC 977 and updated in RFC 3977, is the protocol used to read and post articles to Usenet newsgroups. While Usenet still exists, NNTP usage has dramatically declined.
TCP
Messaging
Security Considerations
Port 119 (NNTP) is classified as medium risk. While this service is commonly exposed, consider using encrypted alternatives where available.
Recommendation: Keep the service updated. Monitor logs for unusual activity.