ZyXEL VFG6005 User Guide - Page 151
Hyper Text Transfer Protocol -
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AIM/New-ICQ TCP 5190 AOL's Internet Messenger service. It is also used as a listening port by ICQ. AUTH TCP 113 Authentication protocol used by some servers. BGP TCP 179 Border Gateway Protocol. BOOTP_CLIENT UDP 68 DHCP Client. BOOTP_SERVER UDP 67 DHCP Server. CU-SEEME TCP UDP 7648 24032 A popular videoconferencing solution from White Pines Software. DNS TCP/UDP 53 Domain Name Server, a service that matches web names (for example www.zyxel.com) to IP numbers. ESP User-Defined 50 (IPSEC_TUNNEL) The IPSEC ESP (Encapsulation Security Protocol) tunneling protocol uses this service. FINGER TCP 79 Finger is a UNIX or Internet related command that can be used to find out if a user is logged on. FTP TCP 20 File Transfer Program, a program to enable fast transfer of files, including large files TCP 21 that may not be possible by e-mail. H.323 TCP 1720 NetMeeting uses this protocol. HTTP TCP 80 Hyper Text Transfer Protocol - a 142