202

AT-NBP

Low Risk

TCP/UDP — DNS

Port Overview

Port Number 202
Service Name AT-NBP
Transport Protocol TCP/UDP
Category DNS
Security Risk Low
Port Range Well-Known (0-1023)

What is Port 202?

AppleTalk Name Binding Protocol. Resolves AppleTalk names to network addresses, functioning as the name service for AppleTalk networks.

TCP/UDP DNS

Security Considerations

Port 202 (AT-NBP) 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