I have been reading through Rulz and this earlier post trying to get my blackhole/null route working with DNAT since my firewall rules were not (as explained by Rulz). From the latter link, BAlfson said the following is a valid DNAT configuration: …

I am new to this and just finding my way around setting up utm/firewalls i have a 2 firewall setup an internal sophos utm 9 ffirewall and an external firewall The internal firewall sophos utm 9 is setup where all computers and mobile devices are behind…