url filtering blocked sites not redirecting

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url filtering blocked sites not redirecting

L4 Transporter


Some  blocked sites  ( by url filtering ) not redirecting to the  page  " Web page Blocked "  ,Instead it shows " The web page not available " . 

But  some are  redirecting to the  page  " Web page Blocked "  as expected

Please help

Thank you


L4 Transporter

Sounds like the pages you are not getting a response page are ssl. Can you confirm

L4 Transporter

L5 Sessionator

Hi Sib,

This happens when users are trying to access blocked site over HTTPS. With ssl connection firewall cannot inject response page (blocked page), and since the connection is blocked by the firewall, end users get "Web page not available" option.

You can either enable ssl decryption or just configure response page as mentioned in above document. In either case, you will need to install root certificate in all machine in order to not get the browser error. Hope this helps. Thank you.

L3 Networker

If you already use SSL decryption or the the method with the url proxy, you should keep in mind that it won't work if the user surf through another proxy: Block Pages are Not Displayed When Using SSL and a Web-Proxy


How can i enable ssl decryption ?


Please find following document :


Hope this helps. Thank you.

Please follow below mentioned DOC to implement SSL decryption:

Controlling SSL Decryption

How to Implement SSL Decryption


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