UDP Port 5060 – SIP (Session Initiation Protocol)

About UDP Port 5060

Port 5060 carries the IANA assignment for sip. The IANA description reads: ‘SIP’. This port appears in 18 IDS rules and does not have notable malware activity indicators in our data.

IDS Rule References

18 IDS / security rules reference UDP port 5060. Presence in IDS rules does not mean traffic on this port is malicious. These are patterns security tools monitor.

Rule categories (top 3): attempted-recon (15), attempted-admin (2), protocol-command-decode (1).

Sample rule descriptions for UDP port 5060:

• PROTOCOL-VOIP inbound INVITE message
• PROTOCOL-VOIP Possible SIP OPTIONS service information gathering attempt
• OS-OTHER Bash environment variable injection attempt
• ET SCAN Smap VOIP Device Scan
• ET SCAN Voiper Toolkit Torturer Scan

Data Sources

This information is compiled from: IANA Service Name and Transport Protocol Port Number Registry, Emerging Threats Open Ruleset (BSD 2-Clause / GPLv2 per SID range), and Snort Community Rules (GPLv2).