I have got th rpm installed that allows you to open ports under the SME admin inteface but this does not make any difference when I run nmap it shows as not open.
As I have said many, many times here, that contrib should be avoided, as what it does can be done another very simple way, and people misunderstand its function and very frequently use it when it cannot help them. I will keep saying it, in the hope that people will find my comments while searching.
IMO, the contrib author should remove that contrib, or at the very least, warn people about the limited set of circumstances in which it might be useful.