206

AT-ZIS

Low Risk

TCP/UDP — DNS

Port Overview

Port Number 206
Service Name AT-ZIS
Transport Protocol TCP/UDP
Category DNS
Security Risk Low
Port Range Well-Known (0-1023)

What is Port 206?

AppleTalk Zone Information Service. Provides zone information for AppleTalk internetworks, mapping zones to network ranges.

TCP/UDP DNS

Security Considerations

Port 206 (AT-ZIS) is classified as low risk. This service uses encryption or has a minimal attack surface, making it relatively safe to expose.

Recommendation: Standard security practices apply. Keep software updated and monitor access.

Related Ports — DNS

Related Terms