Is port 1701 (L2TP) dangerous?

Port 1701 is classified as low risk. This service uses encryption or has a minimal attack surface, making it relatively safe to expose with standard security practices.

Should port 1701 be open on my firewall?

Port 1701 is generally safe to have open. Apply standard security practices: keep software updated and monitor access logs.

What transport protocol does port 1701 use?

Port 1701 (L2TP) uses the UDP transport protocol and falls under the Security & VPN category.

:1701 (UDP)

L2TP

Low Risiko

UDP — Security & VPN

Ikhtisar Port

Nomor Port 1701

Nama Layanan L2TP

Protokol Transport UDP

Kategori Security & VPN

Risiko Keamanan Low

Rentang Port Terdaftar (1024-49151)

Apa itu Port 1701?

Port 1701 is the standard port for Layer 2 Tunneling Protocol (L2TP), used to create VPN tunnels. L2TP itself provides no encryption and is typically combined with IPSec to form L2TP/IPSec VPN connections. It is built into Windows, macOS, iOS, and Android for VPN connectivity.

UDP Security & VPN Umum Digunakan

Pertimbangan Keamanan

Port 1701 (L2TP) diklasifikasikan sebagai risiko rendah. Layanan ini menggunakan enkripsi atau memiliki permukaan serangan yang minimal, sehingga relatif aman untuk diekspos.

Rekomendasi: Terapkan praktik keamanan standar. Jaga perangkat lunak tetap diperbarui dan pantau akses.

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