PLANET CS-2001 - Manual (Page 482)

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13.1.2 Using CS-2001 in Accordance with Whitelist and
Blacklist to Filter Spam (Mail Server Is Deployed in DMZ under
Transparent Mode)
Prerequisite Setup
Configure Port1 as LAN1 (192.168.1.1, NAT/ Routing mode) and connect it to the
LAN which is using 192.168.1.x/24.
Configure Port2 as WAN1 (61.11.11.11) and connect it to the ADSL Termination Unit
Remote (ATUR) to access the Internet. IP range: 61.11.11.10 to 61.11.11.14.
Configure Port3 as WAN2 (211.22.22.22) and connect it to the ADSL Termination
Unit Remote (ATUR) to access the Internet. IP range: 211.22.22.18 to 211.22.22.30.
Configure Port4 as DMZ1 (Transparent Routing mode) and connect it to the mail
server. (IP address: 61.11.11.12)
Step 1. Set up a mail server in DMZ, name it as “supportplanet.com.tw”, configure
its IP address as 61.11.11.12 and then use an external DNS server to resolve
domain names.
Step 2. Go to Policy Object > Address > DMZ and then set as below:
（Figure
13-14）
Figure 13-14 Address Settings for the Mail Server