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IPFYI
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119

NNTP

Medium Risk

TCP — 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.

Related Ports — Messaging

18 MSP 87 ttylink / link 194 IRC 218 MPP 433 NNSP 444 SNPP 504 Citadel 510 FCP
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