Is port 1812 (RADIUS Authentication) dangerous?

Port 1812 is classified as medium risk. It is commonly exposed but consider using encrypted alternatives where available and monitor activity.

Should port 1812 be open on my firewall?

Port 1812 can be open but should be monitored closely. Keep the service updated and prefer encrypted alternatives where available.

What transport protocol does port 1812 use?

Port 1812 (RADIUS Authentication) uses the UDP transport protocol and falls under the Security & VPN category.

:1812 (UDP)

RADIUS Authentication

Medium Riesgo

UDP — Security & VPN

Resumen del puerto

Número de puerto 1812

Nombre del servicio RADIUS Authentication

Protocolo de transporte UDP

Categoría Security & VPN

Riesgo de seguridad Medium

Rango de puertos Registrados (1024-49151)

Qué es el puerto 1812?

Port 1812 is the official IANA-assigned port for RADIUS (Remote Authentication Dial-In User Service) authentication. RADIUS provides centralized authentication, authorization, and accounting (AAA) for users connecting to a network. It is fundamental to Wi-Fi enterprise authentication (802.1X), VPN access, and network access control.

UDP Security & VPN De uso común

Consideraciones de seguridad

El puerto 1812 (RADIUS Authentication) está clasificado como riesgo medio. Aunque este servicio se expone comúnmente, considera usar alternativas cifradas cuando estén disponibles.

Recomendación: Mantén el servicio actualizado. Monitorea los registros en busca de actividad inusual.

Puertos relacionados — Security & VPN

31 MSG-AUTH 48 Auditd 49 TACACS 56 XNS-AUTH 62 ACA Services 65 TACACS-DS 88 Kerberos 90 DNSIX Security

Términos relacionados

SSL/TLS Certificate DDoS DNS Spoofing Encryption Firewall HTTPS