UDP Port 7 – echo

About UDP Port 7

The Internet Assigned Numbers Authority (IANA) registers port 7 for echo. The IANA description reads: ‘Echo’. This port appears in 2 IDS rules and does not have notable malware activity indicators in our data.

IDS Rule References

2 IDS / security rules reference UDP port 7. Presence in IDS rules does not mean traffic on this port is malicious. These are patterns security tools monitor.

Rule categories (top 2): attempted-dos (1), bad-unknown (1).

Sample rule descriptions for UDP port 7:

• SERVER-OTHER UDP echo+chargen bomb
• INDICATOR-SCAN cybercop udp bomb

Data Sources

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