How to block ssl vpn and ipsec vpn going from trust to untrust .
I suspect few users are using like free vpn services like tunnel beer and hola vpn .
How can i search those users from palo alto log.
Some users are connected from inside to outside world (for official purpose ) using cisco anyconnect (ssl ) and ipsec .And i don't want revoke their permission . ( I need only monitor those users )
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as it's pretty difficult to differentiate between good and bad ipsec, i would recommend creating security policy based on user instead so you can allow certain users to have vpn tunnels while denying everyone else
please take a look at this article: Getting Started: User-ID
To be able to identify the different applications used you will need to enable ssl decryption: SSL decryption resource list
lastly, to control all vpn/encrypted tunnel applications, you can create a behavior based application group (called an application filter) which will automatically contain all applications that create encrypted tunnels, and use that in a security policy to control access to these applications
You should consider deploying a url filter that has the category for proxy avoidance/ anonymizers blocked. This category is designed to block the activity you describe.
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