# Squid Proxy Pentesting (Port 3128)

Source: https://pentest.h4rithd.com/tcp/3128-squid-proxy/  
Section: TCP  
Ports: 3128  
Updated: 2026-10-26  
Author: Harith Dilshan (h4rithd), https://h4rithd.com

* Common usage

```bash
## Curl
curl --proxy http://<IP>:3128 http://<IP>
curl --proxy http://<USER>:'<PASS>'@<IP>:3128 http://<IP>    

## The proxychains file.
sudo vi /etc/proxychains4.conf
## add http  <IP> 3128

proxychains nmap -sT -n -p- 127.0.0.1
```