the browser cache will not fill up the entire C drive it is limited to 1024MB
© 1996-2023 Experts Exchange, LLC. All rights reserved. Covered by US Patent
The name of the Firefox about:config variable is:
The value is dimensioned in KB. The maximum value is 1048576 = 1024 MB.
You could try adding a new key and value in Group Policy and see if Firefox respects it.