This is a reqritting of guidedog-1.0.0 originally by Simon Edwards.

NAT/masquerading/port-forwarding configuration tool for Qt5. Guidedog is
a KDE utility which allows to use easily activate and configure your
machine for packet routing, Network Address Translation/IP Masquerading
(NAT) and port-forwarding.
Guidedog requires iptables, and therefore Linux kernel 2.4+.