ZyXEL Communications ZYWALL USG 2000 Support Notes page 169

18) Here, all the Zones are shown. As you can see, two of them have IDP enabled by default.
According to the scenario, LAN Zone needs a LAN Profile, DMZ Zone needs a DMZ
Profile and LAN2 Zone does not need any IDP protection at all. And here is everything
you need.
3.3 Anti-spam on the ZyWALL USG 2000
Nowadays, electronic mail system brings us many benefits, ex: convenience, low cost, and
quickly delivery, to achieve efficient communication. Because of those obvious features, most
of individuals and commercial companies are widely applied in our daily life and commercial
environment. However, it will be annoying to receive the anonymous or unregistered mails;
especially you do not want to receive them. Those kinds of emails are called spamming emails.
In commercial appliance, it will consume unnecessary network bandwidth, server loading and
labor cost. Hence, anti-spam is a major requirement for business to protect their network
environment. Now, this feature is built in ZyWALL 2000.
Anti-spam provides an efficient method for enterprise to restrict flooding spam mails.
All contents copyright (c) 2008 ZyXEL Communications Corporation.
ZyWALL USG 2000 Support Notes
169