i use OpenBSD, i have not sudo systrace policy(usr_bin_sudo), but why i can still use sudo with systrace?? rm -rf ~/.systrace ls /etc/systrace (nothing in /etc/systrace) . .. when i type "systrace -Ua sudo su" or "systrace -a sudo su", Password: (type password here) i am root now... but other program have not this problem, only "sudo" with bypass