Port 1723 — PPTP

TCP · Port 1723/TCP is used for Point-to-Point Tunneling Protocol (PPTP) connections, allowing remote access to a network over the internet. PPTP encrypts data using MPPE and provides secure connectivity for remote users. This port is critical for organizations that require secure remote access.

Port Number: 1723
Service Name: PPTP
Protocol: TCP
Common Software: pptpd

Security Notes

Review IANA registry for port 1723 usage. Apply principle of least privilege - only open ports that are required.

FAQ

What is port 1723 used for?

Port 1723 is used for PPTP. Port 1723/TCP is used for Point-to-Point Tunneling Protocol (PPTP) connections, allowing remote access to a network over the internet. PPTP encrypts data using MPPE and provides secure connectivity for remote users. This port is critical for organizations that require secure remote access. Common software: pptpd.

Is port 1723 dangerous to leave open?

Review IANA registry for port 1723 usage. Apply principle of least privilege - only open ports that are required.

How do I check if port 1723 is open?

Use nmap: nmap -p 1723 <target> or check locally: ss -tlnp | rg 1723