I have configured a security policy to block a URL category using the Service/URL Category method and my action is deny.
This works and the category is denied, however the block response page is not displayed. Instead i get "This site can’t be reached" and "ERR_CONNECTION_RESET".
When i block the same category using the URL Filtering Security Profile, the block response page is displayed.
This behavior is the same for both encrypted and unencryted pages and also on PAN OS 9.1.7 as well as on 10.0.2.
Any idea if this is normal behavior or if this is something that i can fix?
Thanks in advance 🙂
Response Page not displayed when using security policy to deny URL category
Can you confirm that you are matching the correct policy that just blocks with the the category, also I think before this rule there should be rules that identify the the app id as web-blowsing or ssl, so check the traffic that the app-id is identified correctly.
Can you provide a screenshot of the rule as maybe it also has App ID in the rule and maybe you need "Application Block Page" as this triggered first etc.?
Assuming that you are attempting to block an HTTPS site, and that you aren't decrypting said traffic which would cause the issue you are describing, this behavior is expected. You would need to following https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000ClFKCA0 to get this functioning. By default, the firewall won't attempt to serve a response page if you aren't decrypting the traffic because it would just lead to a certificate warning.
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