# 1723 - Pentesting PPTP

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## Basic Information

**Point-to-Point Tunneling Protocol (PPTP)** je metoda koja se široko koristi za **daljinski pristup** mobilnim uređajima. Koristi **TCP port 1723** za razmenu ključeva, dok se **IP protokol 47** (Generic Routing Encapsulation, ili **GRE**) koristi za enkripciju podataka koji se prenose između partnera. Ova postavka je ključna za uspostavljanje sigurnog komunikacionog kanala preko interneta, osiguravajući da razmenjeni podaci ostanu poverljivi i zaštićeni od neovlašćenog pristupa.

**Default Port**:1723

## Enumeration
```bash
nmap –Pn -sSV -p1723 <IP>
```
### [Brute Force](../generic-methodologies-and-resources/brute-force.md#pptp)

## Ranljivosti

* [https://www.schneier.com/academic/pptp/](https://www.schneier.com/academic/pptp/)
* [https://github.com/moxie0/chapcrack](https://github.com/moxie0/chapcrack)

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