---

sudo tee /etc/squid/squid.conf << 'EOF'
http_port 3144 transparent
acl localnet src 192.168.12.0/24
acl all src 0.0.0.0/0
acl block_images url_regex -i \.jpg$ \.jpeg$ \.gif$ \.png$
http_access deny block_images
http_access allow localnet
http_access allow all
http_access deny all
cache_dir ufs /var/spool/squid 100 16 256
cache_effective_user proxy
access_log /var/log/squid/access.log
EOF
sudo systemctl restart squid && sleep 2 && sudo netstat -tulnp | grep 3144