[Unit]
Description=Squid caching proxy
After=syslog.target network.target

[Service]
Type=forking
PIDFile=/var/run/squid/squid.pid
# Note: when starting directly as squid user the /var/run directory is not writable, put:
# pid_filename /var/run/squid/squid.pid
# into /etc/squid/squid.conf; and make sure you did systemctl daemon-reexec after useradd
User=squid
Group=squid
EnvironmentFile=-/etc/sysconfig/squid
LimitNOFILE=8192
ExecStartPre=@@LIBEXECDIR@@/squid-check_cache
ExecStart=/usr/sbin/squid $SQUID_OPTS
ExecReload=/usr/sbin/squid $SQUID_OPTS -k reconfigure
ExecStop=/usr/sbin/squid -k shutdown
TimeoutStopSec=60

[Install]
WantedBy=multi-user.target