iptables (recomended with all patch-o-matic applied)
rc-scripts (only firewall.init and firewall.d/functions use PLD features)
glibc (rpcinfo)
mawk (/bin/awk)
grep
/bin/sh (POSIX compliant, bash is not)
modutils (/sbin/modprobe, /sbin/rmmod)
textitils (/bin/cat, /usr/bin/cut)
sh-utils (/bin/uname)
