Can't Connet Via IP in shooterGame Sample 4.8

Is there a problem with 4.8 and other clients connecting? Ive loaded up a server. Seen here Screenshot by Lightshot
Ive turned my firewall on my router off and still not working by using open ip command in console on my friends side.

Could this be because the final packaged build was Development, and not Product?

Ok So… Ive managed to check everything… Turned my firewall off during test. Opened ports 7777 ~ 27900. Also using open mymap?listen works as a server, i see up in the left top screen it say’s Server,And Session with the current build date and all… but yet We still cannot connect to each other via online ip… Any help?