Network Tools is an application plugin for the web portal system PHP-Nuke. The best way to see if Network Tools is installed is to browse the website causing the alarm. You should see something called Network Tools on the PHP-Nuke portal view. If you find an interface that lets you perform pings and traceroutes, you've got the Netrk Tools plugin installed.
We have configured the outside and inside Interface with official ipv6 adresses, set a default route on outside Interface to our router, we also have definied a rule , which also gets hits, to permit tcp from inside Interface to any6.
In Syslog I also se...