ZyXEL Communications P-334W User Manual

Prestige 334W User’s Guide 

Media Bandwidth Management  

18-7 

HTTP(TCP:80)  

Hyper Text Transfer Protocol - a client/server protocol for the world 
wide web. 

HTTPS(TCP:443) 

HTTPS is a secured http session often used in e-commerce. 

ICQ(UDP:4000) 

This is a popular Internet chat program. 

IKE(UDP:500) 

The Internet Key Exchange algorithm is used for key distribution and 
management. 

IPSEC_TUNNEL(AH:0) 

The IPSEC AH (Authentication Header) tunneling protocol uses this 
service. 

IPSEC_TUNNEL(ESP:0) 

The IPSEC ESP (Encapsulation Security Protocol) tunneling protocol 
uses this service. 

IRC(TCP/UDP:6667) 

This is another popular Internet chat program. 

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. 

POP3(TCP:110) 

Post Office Protocol version 3 lets a client computer get e-mail from a 
POP3 server through a temporary connection (TCP/IP or other). 

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.