I'm creating port forwarding rules on my DD-WRT router (shown below) and want to allow all (any) source networks access. My thought was to specify 0.0.0.0/32 but that is not working. How do I specify this?
There are no "wildcards" for specifying IP address ranges. You need to use subnets instead. You can see examples of subnets in the "Source Net" column.
So instead of
in DD-WRT I believe you need to leave the field blank in order to set it to