Could not connect to coopnet

[Cris1023SM64]

i want try play in server public but the game says:Could not connect to coopnet,Not even because I do it on a private server they don't let me, they don't even let me play on my solo coopnet Pls help me

 

[ColbyRayz!]

either your internet is blocking coopnet because of it's settings or a ban your not aware of

 

[Yaichko]

what should i do if my internet is blocking it? pls help