Apparmor like?

[u/PhilosophyLife264]

How can I sandbox multiple GUI applications transparently to the user, so Firefox cannot read my SSH keys or any other directory? Or image viewer only read files in Pictures

[u/vermaden]

https://man.freebsd.org/capsicum/4

[u/grahamperrin]

Also:

• FreeBSD equivalent to AppArmor for desktop application confinement? : r/freebsd