ZyXEL p-662h-61 User Guide

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Prestige 662HW Series User’s Guide
Chapter 16 Content Access Control
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MSN Messenger(TCP:1863) Microsoft Networks’ messenger service uses this protocol. 
MULTICAST(IGMP:0)
Internet Group Multicast Protocol is used when sending packets to a 
specific group of hosts.
NEW-ICQ(TCP:5190)
An Internet chat program.
NEWS(TCP:144) 
A protocol for news groups.
NFS(UDP:2049) 
Network File System - NFS is a client/server distributed file service that 
provides transparent file sharing for network environments.
NNTP(TCP:119) 
Network News Transport Protocol is the delivery mechanism for the 
USENET newsgroup service.
PING(ICMP:0)
Packet INternet Groper is a protocol that sends out ICMP echo requests 
to test whether or not a remote host is reachable.
PING(ICMP:0)
Packet INternet Groper is a protocol that sends out ICMP echo requests 
to test whether or not a remote host is reachable.
PPTP(TCP:1723)
Point-to-Point Tunneling Protocol enables secure transfer of data over 
public networks. This is the control channel.
PPTP_TUNNEL(GRE:0)
Point-to-Point Tunneling Protocol enables secure transfer of data over 
public networks. This is the data channel.
RCMD(TCP:512) 
Remote Command Service.
REAL_AUDIO(TCP:7070) 
A streaming audio service that enables real time sound over the web.
REXEC(TCP:514) 
Remote Execution Daemon.
RLOGIN(TCP:513) 
Remote Login.
RTELNET(TCP:107) 
Remote Telnet.
RTSP(TCP/UDP:554)
The Real Time Streaming (media control) Protocol (RTSP) is a remote 
control for multimedia on the Internet. 
SFTP(TCP:115) 
Simple File Transfer Protocol.
SMTP(TCP:25) 
Simple Mail Transfer Protocol is the message-exchange standard for the 
Internet. SMTP enables you to move messages from one e-mail server 
to another.
SNMP(TCP/UDP:161) 
Simple Network Management Program.
SNMP-TRAPS(TCP/
UDP:162) 
Traps for use with the SNMP (RFC:1215).
SQL-NET(TCP:1521) 
Structured Query Language is an interface to access data on many 
different types of database systems, including mainframes, midrange 
systems, UNIX systems and network servers.
SSH(TCP/UDP:22)
Secure Shell Remote Login Program.
STRM WORKS(UDP:1558)  Stream Works Protocol.
SYSLOG(UDP:514)
Syslog allows you to send system logs to a UNIX server.
TACACS(UDP:49) 
Login Host Protocol used for (Terminal Access Controller Access Control 
System).
TELNET(TCP:23) 
Telnet is the login and terminal emulation protocol common on the 
Internet and in UNIX environments. It operates over TCP/IP networks. Its 
primary function is to allow users to log into remote host systems.
Table 57   Available Services  (continued)
SERVICE
DESCRIPTION