UDP Port 9 – discard

About UDP Port 9

Port 9 is registered with the Internet Assigned Numbers Authority (IANA) for discard. The IANA description reads: ‘Discard’. This port appears in 1 IDS rule and does not have notable malware activity indicators in our data.

IDS Rule References

1 IDS / security rule reference UDP port 9. Presence in IDS rules does not mean traffic on this port is malicious. These are patterns security tools monitor.

Rule categories (top 1): attempted-dos (1).

Sample rule descriptions for UDP port 9:

• SERVER-OTHER Ascend Route

Data Sources

This information is compiled from: IANA Service Name and Transport Protocol Port Number Registry and Snort Community Rules (GPLv2).