UDP Port 433 – nnsp

About UDP Port 433

The Internet Assigned Numbers Authority (IANA) registers port 433 for nnsp. The IANA description reads: ‘NNTP for transit servers (NNSP)’. This port does not currently appear in the IDS rulesets or malware activity indicators in our data sources.

Data Sources

This information is compiled from: IANA Service Name and Transport Protocol Port Number Registry.