4569
IAX2 (Inter-Asterisk eXchange)
Medium RiskUDP — Streaming & Media
Port Overview
Port Number
4569
Service Name
IAX2 (Inter-Asterisk eXchange)
Transport Protocol
UDP
Category
Streaming & Media
Security Risk
Medium
Port Range
Registered (1024-49151)
What is Port 4569?
Port 4569 is used by IAX2 (Inter-Asterisk eXchange version 2), a VoIP protocol native to the Asterisk PBX system. IAX2 is designed to reduce NAT traversal problems by combining signaling and media in a single UDP stream. It is primarily used for trunk connections between Asterisk servers and some VoIP phones.
UDP
Streaming & Media
Security Considerations
Port 4569 (IAX2 (Inter-Asterisk eXchange)) 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.