(computing) (DMZ), DMZ host , Quality of service (QoS), Cross-platform (a.k.a. Multiplatform), Internet Protocol version 4 (IPv4), Internet Protocol version 6 (IPv6), Proxy server , SOCKS , Default gateway , Web server , Hypertext Transfer Protocol (HTTP), File Tranfer Protocol (FTP), Loopback , Localhost , Subnetwork (Subnet), Ping , Latency (engineering)