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how to block google chrome extension like dotvpn and other vpn plugins of browsers, please help us, our student kept using and bypass our sophos sg330 firewall appliance.
I think it will be hard (if not impossible) to just block a browser plugin. What you could do is check your logs where his traffic is going and then block that destination...
Managing several Sophos firewalls both at work and at some home locations, dedicated to continuously improve IT-security and feeling well helping others with their IT-security challenges.
Hi, Rafael, and welcome to the UTM Community!
If you have DNS & DHCP configured as in DNS best practice, you can use Block a TLD to block dotvpn.com. Will that work for you?
Cheers - Bob