Env_audit is a program that ferrets out everything it can about the environment. It looks for process IDs, UID, GID, signal masks, umask, priority, leaked file descriptors, and environmental variables. It comes with test configurations for anacron, apache, atd, crond, GDB, inittab, logrotate, PHP, pppd, procmail, rsh, rxvt, sendmail, SSH, stunnel, sudo, xinetd, and xterm.
