Problems with others connecting Classic

[prugal]

I can give all the information that i can provide, please help with a solution if anyone knows one

 

I downloaded the correct tekkit classic server

Changed the server notepad to my hamachi ip

Had other players join Hamachi

Start up Launcher.Bat with the 1024M changed

Server comes up for myself and i can connect, play, build... everything

Other players cannot join

 

Help?

 

I heard other people mentioning turning off my firewall and then trying, is that the best solution?

[prugal]

Tried to turn off firewall, didn't do anything.