6660
IRC
Medium RiskTCP — Messaging
Port Overview
Port Number
6660
Service Name
IRC
Transport Protocol
TCP
Category
Messaging
Security Risk
Medium
Port Range
Registered (1024-49151)
What is Port 6660?
Internet Relay Chat. A real-time text messaging protocol for group and private communication. Port range 6660-6669 is commonly used by IRC servers.
TCP
Messaging
Commonly Used
Security Considerations
Port 6660 (IRC) is classified as medium risk. While this service is commonly exposed, consider using encrypted alternatives where available.
Recommendation: Keep the service updated. Monitor logs for unusual activity.