88
Kerberos
Low RiskTCP/UDP — Security & VPN
Port Overview
Port Number
88
Service Name
Kerberos
Transport Protocol
TCP/UDP
Category
Security & VPN
Security Risk
Low
Port Range
Well-Known (0-1023)
What is Port 88?
Kerberos authentication protocol. Provides secure mutual authentication using tickets, widely used in Active Directory and enterprise environments.
TCP/UDP
Security & VPN
Commonly Used
Security Considerations
Port 88 (Kerberos) 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.