people cant join my zombie games

i dont know why but people cant join my zombies game on pc ill like want 30mins in a lobby with realism v2 5k xp and no oone well join can sometell me what ment be going on i have 5 bars of connetion so idk why please helpppp

i have the same problem!!!! do u have a router???

are you guys even using dedicated servers?

i hosting a public match!! not lan!