ZyXEL Communications ZYWALL USG 2000 Support Notes page 134

2.2 Zone-based Anti-Virus Protection
2.2.1 Applying Zone-Based Anti-Virus to ZyWALL USG 2000
Priority From
1 WAN
2 WAN
3 DMZ
4 DMZ
5 LAN
In this example, there are 3 zones in total as WAN, LAN and DMZ.
For security, the email server will be placed in the DMZ. Whenever the email is sending in the
direction of LAN to DMZ or WAN to DMZ, the Anti-Virus engine always scans the email
transaction to ensure the email is not infected. Thus, it is unnecessary to scan every outgoing
email from the DMZ again.
Please follow the instruction in order to achieve the result:
All contents copyright (c) 2008 ZyXEL Communications Corporation.
WAN (Wan1)
USG 2000
To
LAN HTTP FTP SMTP POP3 IMAP4
DMZ
LAN
WAN
DMZ
ZyWALL USG 2000 Support Notes
LAN (lan1,P4)
DMZ (P6)
Protocol
SMTP
Don't need to check
Don't need to check
SMTP
134