// REFERENCE
Port 1723 (PPTP VPN)
Protocol: TCP
Service: PPTP
High risk
PPTP: a legacy VPN with broken encryption (MS-CHAPv2 can be cracked offline). Don't use it; migrate to WireGuard, OpenVPN or IPsec/IKEv2.
Related tools
Work with this in:
Related
22
Port 22 (SSH) 23
Port 23 (Telnet) 1194
Port 1194 (OpenVPN) 2222
Port 2222 (alternate SSH) 3389
Port 3389 (RDP) 5900
Port 5900 (VNC)
Port 22 (SSH) 23
Port 23 (Telnet) 1194
Port 1194 (OpenVPN) 2222
Port 2222 (alternate SSH) 3389
Port 3389 (RDP) 5900
Port 5900 (VNC)
Assignments per the IANA port registry. Educational content.