No plug-in or extension. I dug in when I first learned about it because I wanted to make sure I understood how it would impact browser security when it was not

No plug-in or extension. I dug in when I first learned about it because I wanted to make sure I understood how it would impact browser security when it was not in use. The strategy differs per browser, but essentially they launch the supported browsers with a self-signed certificate and a custom profile. No configuration changes needed for the browser, which is really nice.