To create one, right-click on the forward
lookup zone and select New Host (A). Enter a name for the host (such as
isa.companyabc.com) and the internal IP address of the ISA server and click Add Host.
This host name will be used in later steps. After the host record is created, the CNAME
record for Wpad needs to be created by following these steps:
1. While in the DNS Console, right-click the forward lookup zone where the setting
will be applied and click New Alias (CNAME), as shown in Figure 11.5.
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2. For the alias name, enter Wpad, and enter the Fully Qualified Domain Name
that corresponds to the Host record that was just created (for example,
isa.companyabc.com).
3. Click OK to save the CNAME record.
This technique enables all Internet Explorer clients that are configured to use the forward
lookup zone in DNS to automatically configure their proxy server information, which can
be highly useful in automating the deployment of the proxy configuration for the ISA
Firewall clients (and other clients on the network).
Enabling Auto Discovery from ISA Server
After Wpad entries have been created to ease in the proxy server settings, auto discovery
of the ISA server itself must be enabled on a per-network basis.
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