Download Squid Proxy Access
apt install build-essential libssl-dev libcap-dev libpam0g-dev On RHEL/CentOS:
gpg --recv-keys A5C5BFA2 gpg --verify squid-6.10.tar.gz.asc squid-6.10.tar.gz Expected output: "Good signature from 'Squid Proxy Project ...'"
Squid is the de facto standard for open-source web proxy caching servers. While most Linux distributions offer pre-compiled Squid packages via apt or yum , downloading the source code directly gives you granular control over features, optimizations, and security patches. download squid proxy
useradd -r -s /bin/false squid chown -R squid:squid /usr/local/squid/var/ Edit /usr/local/squid/etc/squid.conf :
/usr/local/squid/sbin/squid -N -d1 # foreground for debugging | Issue | Package Manager ( apt ) | Source Build | |-------|------------------------|--------------| | Log rotation | Automatic via logrotate | Must configure manually | | Init script | Provided (systemd/sysv) | None – you write it | | Security updates | apt upgrade handles | Re-download, re-configure, re-compile | | Modular helpers | Pre-linked | Must compile basic_ncsa_auth separately | at least verify the MD5:
[Unit] Description=Squid Proxy After=network.target [Service] ExecStart=/usr/local/squid/sbin/squid -f /usr/local/squid/etc/squid.conf ExecReload=/bin/kill -HUP $MAINPID User=squid Group=squid
cache_effective_user squid cache_effective_group squid http_port 3128 cache_dir ufs /var/spool/squid 100 16 256 Initialize cache directories: download squid proxy
If you skip PGP, at least verify the MD5:
