Hi Bagus, You wont be able to clone an http-proxy application, you will have to define a custom application: https://www.paloaltonetworks.com/documentation/80/pan-os/pan-os/app-id/use-application-objects-in-policy/create-a-custom-application I am pretty sure it is something to tweak with your security/decryption policies,try correlating logs when accessing directly and when going through squid proxy, check if facebook chat and other applications are getting identified. If you can paste decryption policy and security policy for facebook then we can take a look.
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