UDP Port 5351 – pcp

About UDP Port 5351

Port 5351 carries the IANA assignment for pcp. The IANA description reads: ‘Port Control Protocol’. This port appears in 3 IDS rules and does not have notable malware activity indicators in our data.

IDS Rule References

3 IDS / security rules reference UDP port 5351. Presence in IDS rules does not mean traffic on this port is malicious. These are patterns security tools monitor.

Rule categories (top 1): attempted-admin (3).

Sample rule descriptions for UDP port 5351:

• ET EXPLOIT Possible Malicious NAT-PMP Response to External Network
• ET EXPLOIT Possible Malicious NAT-PMP Response Successful TCP Map to External Network
• ET EXPLOIT Possible Malicious NAT-PMP Response Successful UDP Map to External Network

Data Sources

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