Application Notes; General Application Notes; Internet Connection - ZyXEL Communications P-2602R-D1A Support Notes

I can make a call but the voice only goes one way not bothway? .................................................................................... 146
I can receive a call but the voice only goes one way not bothway? ................................................................................. 146
If all the about have been tried, but register still fail what should I do? .......................................................................... 147
I suspect there is a hardware problem with my Prestige what should I do? .................................................................... 147
F FAQ .......................................................................................................................................................................... 147
IREWALL
What is a network firewall? ............................................................................................................................................. 147
What makes Prestige firewall secure? ............................................................................................................................. 147
What are the basic types of firewalls? ............................................................................................................................. 148
What kind of firewall is the Prestige? ............................................................................................................................... 148
Why do you need a firewall when your router has packet filtering and NAT built-in? ..................................................... 149
What is Denials of Service (DoS)attack? ........................................................................................................................... 149
What is Ping of Death attack? .......................................................................................................................................... 149
What is Teardrop attack? ................................................................................................................................................. 149
What is SYN Flood attack? ................................................................................................................................................ 149
What is LAND attack? ....................................................................................................................................................... 150
What is Brute-force attack? ............................................................................................................................................. 150
What is IP Spoofing attack?.............................................................................................................................................. 150
What are the default ACL firewall rules in Prestige? ........................................................................................................ 150
How can I protect against IP spoofing attacks? ............................................................................................................... 151
C F FAQ ................................................................................................................................................................. 152
ONTENT ILTER
TROUBLE SHOOTING........................................................................................................................................................... 152
U E P
SING MBEDDED ACKET
D PPP E C
EBUG O ONNECTION
CLI COMMAND LIST ............................................................................................................................................................ 178

Application Notes

General Application Notes

Internet Connection

A typical Internet access application of the Prestige is shown below. For a small office, there are some
components needs to be checked before accessing the Internet.
T ................................................................................................................................................. 152
RACE
....................................................................................................................................................... 167
All contents copyright (c) 2007 ZyXEL Communications Corporation.
Prestige 2602R-D1A Support Notes
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