Tipos de Proxy
SOCKS 4
SOCKS 5
Servidor: OpenSSH, Outros...
HTTP Proxy
Servidor: SQUID
Referencias
Arch Linux OpenSSH
https://wiki.archlinux.org/index.php/OpenSSH
Socks com OpenSSH
https://www.digitalocean.com/community/tutorials/how-to-route-web-traffic-securely-without-a-vpn-using-a-socks-tunnel
https://imasters.com.br/devsecops/crie-um-proxy-socks-em-um-servidor-linux-com-ssh-para-ignorar-filtros-de-conteudo