Sandboxie Support

Hello all, Lowering the Firefox Sandbox security level is a workaround used in order to allow certain Firefox features to work with Sandboxie. For some users, a sandbox content level of 3 may trigger a crash, for others it causes audio/printing to not work. We have been seeing different behaviors pe...

... off multi-process in Firefox, as it is currently supported by Sandboxie. by Barb@Invincea » Tue Nov 14, 2017 There are some issues that come up if security.sandbox.content.level is set to 3. However, for me on Win 10 x64, it works fine with level 3. Seems to be "random" ...Still investigating. ...

... / modified / false (<~~ needed manual correction) browser.tabs.remote.autostart.2 / modified / false (<~~was like that from the start) security.sandbox.content.level / default / 4 (<~~was like that from the start, new FF default, didnt matter at all in the end) The security levels are ...

... false: browser.tabs.remote.autostart browser.tabs.remote.autostart.2 I read someone in another forum who used to fix his sound issue by switching security.sandbox.content.level to 2 (Barbs suggestion), that now for Firefox 58, he has to disable Multiprocess (the alternate fix I suggested you try). ...

... email and give it a go. Regards, Barb.- Hello Barb@Invincea, FWIW ~ I've moved to Firefox 58.0 (64-bit) ....browser.tabs.remote.autostart = true | security.sandbox.content.level = 4 | Content process limit = 1 WebrootSA Antivirus 9.0.19.36 | Webroot Filtering Extension 1.5.0.6 | WebrootSA Application ...

... involved? If all fails, please try these steps: Open Firefox outside Sandboxie type about:config and accept the risk search sandbox Switch security.sandbox.content.level to 2 ( if needed switch it to 1 or 0 ). Close Firefox Relaunch it Sandboxed and re-test Regards, Barb.- My default box ...

... involved? If all fails, please try these steps: Open Firefox outside Sandboxie type about:config and accept the risk search sandbox Switch security.sandbox.content.level to 2 ( if needed switch it to 1 or 0 ). Close Firefox Relaunch it Sandboxed and re-test Regards, Barb.-

Hi, just to say I have been experiencing crashes with firefox, the lowering of security.sandbox.content to level 2 seems to have fixed the problem. It is very reassuring that solutions are found and problems are being fixed quickly, including the recent windows 7 update problem. To some people ( mys...

... ---> Firefox x64 version 57.0.4: crashed immediately while being sandboxed in Sandboxie, ran OK outside of Sandboxie In Firefox, changing "security.sandbox.content.level" to value less than 3 did not help.

... out what it is and add it to the Sandboxie as an allowed program. By the way, what is the effect on security by changing the setting in Firefox (security.sandbox.content.level) from 3 to 2?

Hi Barb

It did happen in the new sandbox as well. The message is Gah. Your tab just crashed.

security.sandbox.content.level to 2 or less worked which is great thank you. I'm a bit concerned about changing a security level within Firefox but presumably that's okay.

Hi howiem,

I changed the following only: Security.sandbox.content level 2

And it worked

... memory." Since there is 16 GB of system memory on this rig, increasing it shouldn't cause a problem. (2) Reducing the about:config setting for security.sandbox.content.level to zero makes no difference, nor did reducing it to a value of 1 or of 2 from the initial value of 3. (3) The about:config ...

Hi Bo,

"security.sandbox.content.level" to 2 works, didn't know FF already implemented a sandbox... been almost a year that I haven't used FF. Thanks!

Nix

Hi Nix

Try, Open about:config, change "security.sandbox.content.level" to 2 or 1 or 0.

If that don't work, try disabling Multiprocess, in about:config, change value to false: "browser.tabs.remote.autostart", make sure browser.tabs.remote.autostart.2 is also set to false-

Bo