:49
(TCP/UDP)
Medium Risk
TACACS
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TCP/UDP — Security & VPN
Port Overview
Port Number
49
Service Name
TACACS
Transport Protocol
TCP/UDP
Category
Security & VPN
Security Risk
Medium
Port Range
Well-Known (0-1023)
What is Port 49?
Terminal Access Controller Access-Control System. Provides centralized authentication, authorization, and accounting for network devices such as routers and switches.
TCP/UDP
Security & VPN
Security Considerations
Port 49 (TACACS) 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.