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 Risco

UDP — Security & VPN

Visão geral da porta

Número de porta 1812

Nome do serviço RADIUS Authentication

Protocolo de transporte UDP

Categoria Security & VPN

Risco de segurança Medium

Intervalo de portas Registradas (1024-49151)

O que é a porta 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 Comumente usadas

Considerações de segurança

A porta 1812 (RADIUS Authentication) é classificada como risco médio. Embora este serviço seja comumente exposto, considere usar alternativas criptografadas quando disponíveis.

Recomendação: Mantenha o serviço atualizado. Monitore os logs em busca de atividades incomuns.

Portas relacionadas — Security & VPN

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

Termos relacionados

SSL/TLS Certificate DDoS DNS Spoofing Encryption Firewall HTTPS