re man akou. Internal einai mono gia LAN(oxi alloi players) enw External einai WAN(internet me opoios theleis na mpainei)....To internal to afineis opws sto exei(127.0.0.1) to external to allazeis me to IP sou! an exeis Dynamic IP apo to NO-IP bale auto to ip sou! Apo kei kai pera gia na mpoun alloi, oi dineis to IP sou stous allous kai to pernane sta hosts, i ftiaxneis patch me tin Dynamic IP sou (apo to NO-IP dld)