ZyXEL Communications GS2210 Series User Manual page 420

Table 206 Commonly Used Services (continued)
NAME PROTOCOL
HTTP TCP
HTTPS TCP
ICMP User-Defined
ICQ UDP
IGMP (MULTICAST) User-Defined
IKE UDP
IRC TCP/UDP
MSN Messenger TCP
NEW-ICQ TCP
NEWS TCP
NFS UDP
NNTP TCP
PING User-Defined
POP3 TCP
PPTP TCP
PPTP_TUNNEL (GRE) User-Defined
RCMD TCP
REAL_AUDIO TCP
REXEC TCP
RLOGIN TCP
RTELNET TCP
RTSP TCP/UDP
SFTP TCP
Appendix B Common Services
PORT(S)
80
443
1
4000
2
500
6667
1863
5190
144
2049
119
1
110
1723
47
512
7070
514
513
107
554
115
GS2210 Series User's Guide
420
DESCRIPTION
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.
Post Office Protocol version 3 lets a client
computer get e-mail from a POP3 server
through a temporary connection (TCP/IP or
other).
Point-to-Point Tunneling Protocol enables
secure transfer of data over public networks.
This is the control channel.
PPTP (Point-to-Point Tunneling Protocol)
enables secure transfer of data over public
networks. This is the data channel.
Remote Command Service.
A streaming audio service that enables real
time sound over the web.
Remote Execution Daemon.
Remote Login.
Remote Telnet.
The Real Time Streaming (media control)
Protocol (RTSP) is a remote control for
multimedia on the Internet.
Simple File Transfer Protocol.