For requests over HTTPS, as well as other protocols carried over SSL that the SSL proxy handles, include the rule to perform DNS lookup of the server URL in the <forward> policy layer.Modify existing VPM policy:
- In the ProxySG Management Console, select Configuration > Policy > Visual Policy Manager.
- Click Launch to open the VPM.
- In the VPM, remove the Web Access Layer rule that has the Set Server URL DNS Lookup object.
- Add a Forwarding layer. Select Policy > Add Forwarding Layer.
- Click Add Rule. Right click Action and add the Set Server URL DNS Lookup object.
- Make any other required changes and click Install Policy.
Modify existing CPL:1. Locate the DNS lookup policy, such as:
; global setting to always perform IPv6 DNS lookup
<proxy>
server_url.dns_lookup(prefer-ipv6)
2. Change the <proxy> layer to
<forward>, as follows:
; global setting to always perform IPv6 DNS lookup
<forward>
server_url.dns_lookup(prefer-ipv6)
3. Reload policy.