đź“– 2 mins read

GAT Shield – Sites Access control, is a web filtering section that provides Admins the ability to block web pages.

It also allows access to the top root domain like example.com but, allow access to a sub-domain like west.example.com or east.example.com via the Allow List functionality. 

Set block list

Launch Shield console and click on Site Access Control then Add a Site Access category

GAT Shield: Block Access to Top Domain | Site Access Control 1

A pop-up box will be displayed.

  • Site category – name of the site category
  • Type – Block list
  • Description – Description of what the category is about 
  • Site list – Enter the site you want to block

GAT Shield: Block Access to Top Domain | Site Access Control 2

Click on to Save the rule.

The rule will be saved into User defined Site Access categories

GAT Shield: Block Access to Top Domain | Site Access Control 3

Activate Block List 

Click on the “arrow” below Action.

A new pop-up window will be displayed.

Fill in the details for your use case.

  • Site Access action – Block
  • Redirect – Enter a URL where the browser will be redirected
  • Warning message – Enter a message that will be displayed to the user when a site on this list is visited
  • Time restriction – Select a time range during which the rule will be active
  • Scope – Select the users/group/org.unit where the rule will be active for, or leave blank for All users 

GAT Shield: Block Access to Top Domain | Site Access Control 4

Click on Save, to activate the rule.

GAT Shield: Block Access to Top Domain | Site Access Control 5

Block result

As a result of this rule, the site we selected will be blocked.

Set Allow list

Using the same method as above, you can set up an Allow list

The difference now is the type is set to Allow list and the Site is a sub-domain page.

GAT Shield: Block Access to Top Domain | Site Access Control 6

Allow result 

Click on Save, then click on the “arrow” under Action to Activate it.

Note: The Allow list will always take precedence over the Block list 

Overall result

The page onet.pl will be blocked, the sub-page poczta.onet.pl will be allowed 

Here’s how to automatically block and approve URL sites with GAT Shield.

 

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