ZyXEL Communications Internet Security Gateway ZyWALL 2 Series User Manual page 175

SERVICE
IPSEC_TUNNEL(ESP:0)
IRC(TCP/UDP:6667)
MSN Messenger(TCP:1863)
MULTICAST(IGMP:0)
NEW-ICQ(TCP:5190)
NEWS(TCP:144)
NFS(UDP:2049)
NNTP(TCP:119)
PING(ICMP:0)
POP3(TCP:110)
PPTP(TCP:1723)
PPTP_TUNNEL(GRE:0)
RCMD(TCP:512)
REAL_AUDIO(TCP:7070)
REXEC(TCP:514)
RLOGIN(TCP:513)
RTELNET(TCP:107)
RTSP(TCP/UDP:554)
SFTP(TCP:115)
Firewall Screens
Table 11-5 Predefined Services
The IPSEC ESP (Encapsulation Security Protocol) tunneling protocol uses
this service.
This is another popular Internet chat program.
Microsoft Networks' messenger service uses this protocol.
Internet Group Multicast Protocol is used when sending packets to a
specific group of hosts.
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.
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.
ZyWALL 2 Series User's Guide
DESCRIPTION
11-19