#!/bin/bash

# Updating package database
apt-get update
# Installing necessary packages (Squid, apache2-utils for htpassword and dependencies)
apt-get install apache2-utils squid3 iptables -y
# Edit this for username and password change
username="USERNAME HERE"
password="PASSWORD HERE"
# Creating user with username and password from above
htpasswd -b -c /etc/squid3/passwd $username $password
# Downloading Squid configuration
wget -O /etc/squid3/squid.conf https://raw.githubusercontent.com/hidden-refuge/squid-proxy-installer/master/spi-ubuntu.conf --no-check-certificate
# Copying squid3.conf from init to init.d for startup script
cp /etc/init/squid3.conf /etc/init.d/squid3
# Creating empty blacklist.acl file for further blacklisting entries
touch /etc/squid3/blacklist.acl
# Restarting Squid and enabling its service
service squid3 restart && update-rc.d squid3 defaults
# Running function firew2
iptables -I INPUT -p tcp --dport 3128 -j ACCEPT
iptables-save