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 Risk

UDP — Security & VPN

Port Genel Bakış

Port Numarası 1812

Servis Adı RADIUS Authentication

Taşıma Protokolü UDP

Kategori Security & VPN

Güvenlik Riski Medium

Port Aralığı Kayıtlı (1024-49151)

Port Nedir 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 Yaygın Kullanılan

Güvenlik Değerlendirmeleri

1812 numaralı port (RADIUS Authentication) orta risk olarak sınıflandırılmıştır. Bu hizmet yaygın olarak açık tutulsa da mevcut olduğunda şifreli alternatifleri kullanmayı düşünün.

Öneri: Hizmeti güncel tutun. Olağandışı etkinlikler için günlükleri izleyin.

İlgili Portlar — Security & VPN

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

İlgili Terimler

SSL/TLS Certificate DDoS DNS Spoofing Encryption Firewall HTTPS