Nobody (but me) can connect to my Tekkit server!

[Duke Reds]

Title: Nobody (but me) can connect to my Tekkit server!

Version: 3.1.2

OS: Windows 7 Ultimate

Java Version: Java 7 update 5

Description of Problem:

I made a Tekkit server, using many tutorials on Youtube, evreything goes well, I can connect, but nobody else can even FIND my server. BTW I haven't purchased Minecraft, so I have cracked Technic Launcher. I also use Hamachi. I also configured server.properties correctly. So, WHAT'S WRONG?!

Error Messages:

Dwarves stole'em!

Error Log:

Like a Boss

[freakachu]

the problem is that you got bilge rats in your starboard bow. the solution is walking the plank. arrr!