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 Risiko

UDP — Security & VPN

Ikhtisar Port

Nomor Port 1812

Nama Layanan RADIUS Authentication

Protokol Transport UDP

Kategori Security & VPN

Risiko Keamanan Medium

Rentang Port Terdaftar (1024-49151)

Apa itu Port 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 Umum Digunakan

Pertimbangan Keamanan

Port 1812 (RADIUS Authentication) diklasifikasikan sebagai risiko sedang. Meskipun layanan ini umumnya diekspos, pertimbangkan untuk menggunakan alternatif terenkripsi jika tersedia.

Rekomendasi: Jaga layanan tetap diperbarui. Pantau log untuk aktivitas yang tidak biasa.

Port Terkait — Security & VPN

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

Istilah Terkait

SSL/TLS Certificate DDoS DNS Spoofing Encryption Firewall HTTPS