ZyXEL NBG-417N User Guide - Page 235
Services
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APPENDIX E Services The following table lists some commonly-used services and their associated protocols and port numbers. • Name: This is a short, descriptive name for the service. You can use this one or create a different one, if you like. • Protocol: This is the type of IP protocol used by the service. If this is TCP/UDP, then the service uses the same port number with TCP and UDP. If this is User-Defined, the Port(s) is the IP protocol number, not the port number. • Port(s): This value depends on the Protocol. • If the Protocol is TCP, UDP, or TCP/UDP, this is the IP port number. • If the Protocol is USER, this is the IP protocol number. • Description: This is a brief explanation of the applications that use this service or the situations in which this service is used. Table 85 Examples of Services NAME PROTOCOL AH (IPSEC_TUNNEL) User-Defined AIM TCP AUTH TCP BGP BOOTP_CLIENT BOOTP_SERVER CU-SEEME DNS TCP UDP UDP TCP/UDP TCP/UDP TCP/UDP ESP (IPSEC_TUNNEL) FINGER User-Defined TCP FTP TCP TCP H.323 TCP HTTP TCP PORT(S) 51 5190 113 179 68 67 7648 24032 53 50 79 20 21 1720 80 DESCRIPTION The IPSEC AH (Authentication Header) tunneling protocol uses this service. AOL's Internet Messenger service. Authentication protocol used by some servers. Border Gateway Protocol. DHCP Client. DHCP Server. A popular videoconferencing solution from White Pines Software. Domain Name Server, a service that matches web names (e.g. www.zyxel.com) to IP numbers. 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. NBG-417N User's Guide 235