ZyXEL MES-3728 User Guide - Page 374
Commonly Used Services continued
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Appendix B Common Services Table 128 Commonly Used Services (continued) NAME ESP (IPSEC_TUNNEL) PROTOCOL User-Defined FINGER TCP FTP TCP TCP H.323 TCP HTTP TCP HTTPS ICMP TCP User-Defined ICQ IGMP (MULTICAST) IKE UDP User-Defined UDP IRC TCP/UDP MSN Messenger TCP NEW-ICQ NEWS NFS TCP TCP UDP NNTP PING TCP User-Defined PORT(S) 50 79 20 21 1720 80 443 1 4000 2 500 6667 1863 5190 144 2049 119 1 DESCRIPTION The IPSEC ESP (Encapsulation Security Protocol) tunneling protocol uses this service. Finger is a UNIX or Internet related command that can be used to find out if a user is logged on. File Transfer Program, a program to enable fast transfer of files, including large files that may not be possible by e-mail. NetMeeting uses this protocol. Hyper Text Transfer Protocol - a client/ server protocol for the world wide web. HTTPS is a secured http session often used in e-commerce. Internet Control Message Protocol is often used for diagnostic or routing purposes. This is a popular Internet chat program. Internet Group Multicast Protocol is used when sending packets to a specific group of hosts. The Internet Key Exchange algorithm is used for key distribution and management. This is another popular Internet chat program. Microsoft Networks' messenger service uses this protocol. An Internet chat program. A protocol for news groups. Network File System - NFS is a client/ server distributed file service that provides transparent file sharing for network environments. Network News Transport Protocol is the delivery mechanism for the USENET newsgroup service. Packet INternet Groper is a protocol that sends out ICMP echo requests to test whether or not a remote host is reachable. 374 MES-3728 User's Guide