http://www.squid-cache.org/

/usr/lib/systemd/system/squid.service
-//- squid-rotate.service, squid-rotate.timer

squid -sYG

/etc/squid/squid.conf
???
sysusers.d/squid.conf
tmpfiles.d/squid.conf

/var/log/squid/access.log

export http_proxy=http://<host>:3128

course
????
Udemy - Squid Proxy Server
    magnet:?xt=urn:btih:9047808c11a3c7d13e0455874553d6c16392c044

articles
2021
https://itsecforu.ru/2021/10/26/%f0%9f%a6%91-%d1%83%d1%81%d1%82%d0%b0%d0%bd%d0%be%d0%b2%d0%ba%d0%b0-%d0%b8-%d0%bd%d0%b0%d1%81%d1%82%d1%80%d0%be%d0%b9%d0%ba%d0%b0-squid-%d0%bf%d1%80%d0%be%d0%ba%d1%81%d0%b8-%d0%bd%d0%b0-rocky-linux/
http://www.unixmen.com/install-configure-squid-proxy-server-rhelcentos/
2018
https://habr.com/ru/articles/353100/

whatsnew
http://www.squid-cache.org/Versions/v5/squid-5.2-RELEASENOTES.html