In the current DSFW Docu it says on page 267

The RPC dynamic assignment rule allows inbound traffic on any port above 1023. If your firewall
permits this, there is very little reason to enable a firewall. However, you can force xadsd to use a
specific port by using the -p option. Otherwise, RPC ports are ephemeral.
Since we want to use Microsoft RD Gateway as a Proxy in the internet that communicates to the DSFW-Servers in the intranet, we have to limit the RPC ports.

The quote from above says how we can do this, but where do we have to attach the "-p" option? Can anyone help?