Create a Rule to Block Access to Web Servers

You can create a rule for blocking access to web servers when these are not on the list of protected servers in a reverse HTTPS proxy configuration.

1. Select Policy | Rule Sets.
2. On the rule sets tree, select the rule set you have created for the blocking rule, for example, Block web servers in a reverse HTTPS proxy configuration.
3. Click Add Rule.
   The Add Rule window opens with the Name step selected.
4. In the Name field, type a name for the rule, for example, Allow access only to protected web servers.
5. Select Rule Criteria, then If the following criteria is matched and click Add.
   The Add Criteria window opens.
6. Configure the rule criteria as follows:
   1. From the list of properties in the left column, select URL.Host.
   2. From the list of operators in the middle column, select matches in list.
   3. From the list of operands in the right column, select the web server list you configured, for example, Protected web servers.
7. Click OK.
   The window closes and the new criteria appears under Rule Criteria.
8. Click Action, select Block and leave the default settings for this action.
9. Click Events, then Add and from the drop-down list that appears, select Event.
   The Add Event window opens.
10. Configure an event as follows:
    1. From the Event list, select Enable Proxy Control.
    2. From the Settings list, select Do not keep connection to client persistent.
11. Click OK.
    The window closes and the new event appears under Events.
12. Click Finish.
    The Add Rule window closes and the rule appears within the new rule set that you have created.
13. Click Save Changes.