Port
Port 1723 — PPTP
Port 1723 (TCP) is used by PPTP. Point-to-Point Tunnelling Protocol VPN (legacy).
Port 1723 at a glance
| Property | Value |
|---|---|
| Port number | 1723 |
| Transport | TCP |
| Service | PPTP |
| Category | Registered port |
What it is used for
Point-to-Point Tunnelling Protocol VPN (legacy).
Security considerations
Cryptographically broken — do not use.
See our full TCP/UDP port reference and learn how firewalls filter ports in the CyberOps course.
Frequently asked questions
What is port 1723 used for?
Port 1723 (TCP) is used by PPTP. Point-to-Point Tunnelling Protocol VPN (legacy).
Is port 1723 TCP or UDP?
Port 1723 uses TCP.
Is it safe to open port 1723?
Cryptographically broken — do not use.
Related
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