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1723 - Pentesting PPTP

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Basic Information

Commonly used to provide remote access to mobile devices, Point-to-Point Tunneling Protocol (PPTP) uses TCP port 1723 for key exchange and IP protocol 47 (GRE) to encrypt data between peers.

Default Port:1723

Enumeration

nmap –Pn -sSV -p1723 <IP>

Brute Force

Vulnerabilities

{% embed url="https://www.schneier.com/academic/pptp/" %}

{% embed url="https://github.com/moxie0/chapcrack" %}