Is port 500 (IKE/ISAKMP) dangerous?

Port 500 is classified as medium risk. It is commonly exposed but consider using encrypted alternatives where available and monitor activity.

Should port 500 be open on my firewall?

Port 500 can be open but should be monitored closely. Keep the service updated and prefer encrypted alternatives where available.

What transport protocol does port 500 use?

Port 500 (IKE/ISAKMP) uses the UDP transport protocol and falls under the Security & VPN category.

:500 (UDP)

IKE/ISAKMP

Medium Risiko

UDP — Security & VPN

Ikhtisar Port

Nomor Port 500

Nama Layanan IKE/ISAKMP

Protokol Transport UDP

Kategori Security & VPN

Risiko Keamanan Medium

Rentang Port Well-Known (0-1023)

Apa itu Port 500?

Port 500 is assigned to IKE (Internet Key Exchange) and ISAKMP, the key negotiation protocols used to establish IPsec VPN tunnels. Primary port for VPN gateway negotiation.

UDP Security & VPN Umum Digunakan

Pertimbangan Keamanan

Port 500 (IKE/ISAKMP) 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