Allowed sites not loading correctly

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Allowed sites not loading correctly

L0 Member

I am new to Palo Alto Firewalls so I am trying to figure this out. In our policy we have facebook allowed and it is not displaying the whole page. Am I missing something? 

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Rommel Rodriguez

Cyber Elite
Cyber Elite

Assuming workstation IP is

Go to Monitor > Traffic and use filter below

( addr.src in ) and (( action neq allow ) or ( session_end_reason eq threat ))


Also check Monitor > URL Filtering with following filter 

( addr.src in ) and ( action neq alert )


Do you see anything being blocked?

Enterprise Architect, Security @ Cloud Carib Ltd
Palo Alto Networks certified from 2011

Nothing blocked
Rommel Rodriguez

Cyber Elite
Cyber Elite


Assuming that things are default and you don't have a catch-all rule with logging enabled or logging enabled on the interzone-default rule, I'd recommend temporarily overriding the interzone-default entry to log at session end and verify that you're actually allowing all of the necessary traffic.

Keep in mind when dealing with URL categories as match criteria, by default you won't receive URL logs from your clients unless they're assigned a URL Filtering profile that has every single category set to at least 'alert' or higher. 

L6 Presenter

In addition to what @BPry said about enabling logging on the default interzone deny rule, open up Chrome and turn on Developer Tools. Then navigate to the Facebook page and look in the Developer Tools network tab and look for 400/500 status errors. That will give you an idea of which elements of the page may be blocked. "Facebook" is a collection includes from a lot of different domains (,,,, etc.) and third party domains.

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