Configure HTTP proxy server via Squid

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Installation

apt install squid

Configuration

/etc/squid/squid.conf

# listening port
http_port 80
# Cache
#cache_mem 10000
#cache_dir ufs /var/spool/squid 1000 16 256

# basic_ncsa_auth
auth_param basic program /usr/lib/squid/basic_ncsa_auth /etc/squid/passwd
auth_param basic realm Squid proxy-caching web server
auth_param basic credentialsttl 24 hours

#ACL
acl foo proxy_auth REQUIRED
http_access deny !foo
http_access allow foo
http_access deny all

Configure username and password

WARNING

There seems to be an issue with letter case for the password configuration that has not been resolved

apt install apache2-utils

sudo htpasswd -c /etc/squid/passwd USERNAME

Startup

sudo systemctl restart squid