====== Proxy ======
===== Cache =====
  * https://grimore.org/networking/proxy_chaining
  * https://wiki.archlinux.org/index.php/polipo
  * https://grimore.org/fuss/polipo

===== Filtrant =====
  * https://angristan.fr/proxy-http-squid/
  * https://doc.ubuntu-fr.org/squid
  * http://www.squidguard.org/index.html
  * http://reseaux85.fr/index.php?title=Squid_/_SquidGuard_/_dansguardian#Bloquer_le_surf_IP
  * https://memo-linux.com/installer-un-proxy-squid-et-un-filtrage-avec-squidguard-sous-debian/
  * https://www.youtube.com/watch?v=XFxu-5L4Bug