eir F1000 Modem User’s Guide
Table 146 Examples of Services
The IPSEC AH (Authentication Header)
tunneling protocol uses this service.
AOL’s Internet Messenger service.
Authentication protocol used by some
servers.
A popular videoconferencing solution from
White Pines Software.
Domain Name Server, a service that
matches web names (for instance
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 Protocol, 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 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.
The Internet Message Access Protocol is
used for e-mail.
This is a more secure version of IMAP4 that
runs over SSL.
This is another popular Internet chat
program.
Microsoft Networks’ messenger service
uses this protocol.
TCP/UDP
TCP/UDP
TCP/UDP
TCP/UDP
The Network Basic Input/Output System is
used for communication between
computers in a LAN.
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