url filtering blocked sites not redirecting

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L4 Transporter

url filtering blocked sites not redirecting

Hi

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

Tags (1)
L4 Transporter

Re: url filtering blocked sites not redirecting

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

L4 Transporter

Re: url filtering blocked sites not redirecting

L5 Sessionator

Re: url filtering blocked sites not redirecting

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

Re: url filtering blocked sites not redirecting

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

L4 Transporter

Re: url filtering blocked sites not redirecting

Hi

How can i enable ssl decryption ?

Thanks

L5 Sessionator

Re: url filtering blocked sites not redirecting

Please find following document :

https://live.paloaltonetworks.com/docs/DOC-1412

Hope this helps. Thank you.

L7 Applicator

Re: url filtering blocked sites not redirecting

Please follow below mentioned DOC to implement SSL decryption:

Controlling SSL Decryption

How to Implement SSL Decryption

Thanks

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