IPFYI
:491 (TCP/UDP)

GO-Login

Low Risk

TCP/UDP — Security & VPN

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Port Overview

Port Number 491
Service Name GO-Login
Transport Protocol TCP/UDP
Category Security & VPN
Security Risk Low
Port Range Well-Known (0-1023)

What is Port 491?

GO-Login. Authentication protocol for the GO network login system.

TCP/UDP Security & VPN

Security Considerations

Port 491 (GO-Login) 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.