UDP Port 19 – chargen

About UDP Port 19

The Internet Assigned Numbers Authority (IANA) registers port 19 for chargen. The IANA description reads: ‘Character Generator’. 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 19. 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 19:

• SERVER-OTHER UDP echo+chargen bomb

Data Sources

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