TCP Port 1723 – pptp

About TCP Port 1723

The Internet Assigned Numbers Authority (IANA) registers port 1723 for pptp. The IANA description reads: ‘pptp’. This port appears in 2 IDS rules and does not have notable malware activity indicators in our data.

IDS Rule References

2 IDS / security rules reference TCP port 1723. Treat that number as context, not a danger score. Many detection rules are written against groups of ports rather than one service, web ports especially, so common web alternate ports inherit large counts while genuinely sensitive services can show few rules or none. Presence in IDS rules does not mean traffic on this port is malicious.

Rule categories (top 1): attempted-admin (2).

Sample rule descriptions for TCP port 1723:

• POLICY-OTHER PPTP Start Control Request attempt
• OS-WINDOWS Microsoft Windows PPTP Start Control Request buffer overflow attempt

Data Sources

This information is compiled from: IANA Service Name and Transport Protocol Port Number Registry and Snort Community Rules (GPLv2).