User`s manual

Content Security Gateway User’s Manual
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Modify dynamic DNS
Step 1. Find the item you want to change and click Modify.
Step 2. Enter the new information in the Modify Dynamic DNS window.
Click OK to change the settings or click Cancel to discard changes.
Remove Dynamic DNS
Step 1. Find the item you want to change and click Remove.
Step 2. A confirmation pop-up box will appear, click OK to delete the settings or click Cancel to discard
changes.
4.1.11 Host Table
The Content Security Gateway’s Administrator may use the Host Table function to make the Content Security
Gateway act as a DNS Server for the LAN and DMZ network. All DNS requests to a specific Domain Name
will be routed to the Content Security Gateway’s IP address. For example, let’s say an organization has their
mail server (i.e., mail.planet.com.tw) in the DMZ network (i.e. 192.168.10.10). The outside Internet world
may access the mail server of the organization easily by its domain name, providing that the Administrator has
set up Virtual Server or Mapped IP settings correctly. However, for the users in the LAN network, their WAN
DNS server will assign them a public IP address for the mail server. So for the LAN network to access the mail
server (mail.planet.com.tw), they would have to go out to the Internet, then come back through the Content