Note for Proxy Server Squid

Installation

Install squild and check the status.

sudo apt install squid
sudo systemctl status squid.service

Secure

Create a passwd file for the squid.

sudo apt install apache2-utils
sudo htpasswd -c /etc/squid/passwords your_squid_username

Configure

Configure squid.

sudo vim /etc/squid/squid.d/lephix.conf

Add following content to this file.

auth_param basic program /usr/lib/squid3/basic_ncsa_auth /etc/squid/passwords
auth_param basic realm proxy
acl authenticated proxy_auth REQUIRED

http_access allow authenticated

Restart

sudo systemctl restart squid.service

Test

Test for the proxy.

curl -v -x http://username:password@155.248.193.206:80 https://www.google.com/