hacktricks/network-services-pentesting/1723-pentesting-pptp.md

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# 1723 - Pentesting PPTP
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## Basic Information
**Point-to-Point Tunneling Protocol (PPTP)** è un metodo ampiamente utilizzato per **accesso remoto** a dispositivi mobili. Utilizza **la porta TCP 1723** per lo scambio di chiavi, mentre **il protocollo IP 47** (Generic Routing Encapsulation, o **GRE**), viene utilizzato per crittografare i dati trasmessi tra i peer. Questa configurazione è cruciale per stabilire un canale di comunicazione sicuro su Internet, garantendo che i dati scambiati rimangano riservati e protetti da accessi non autorizzati.
**Default Port**:1723
## Enumeration
```bash
nmap Pn -sSV -p1723 <IP>
```
### [Brute Force](../generic-methodologies-and-resources/brute-force.md#pptp)
## Vulnerabilità
* [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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