Web Servers (Apache, Nginx, IIS, etc), Proxy (Squid, varnish), Servidores de email, LDAP (Active Directory, OpenLDAP), Samba, VPN (OpenVPN), Firewalls (iptables, firewalld), DNS (Bind), SSH, PGP
Web Servers (Apache, Nginx, IIS, etc), Proxy (Squid, varnish), Servidores de email, LDAP (Active Directory, OpenLDAP), Samba, VPN (OpenVPN), Firewalls (iptables, firewalld), DNS (Bind), SSH, PGP