Unable to connect to lan server

[dinosocks]

Title: Unable to connect to lan server

Version: 0.5.1

OS: Windows 8 64bit 8 gigs ram

Java Version: 7

Description of Problem:

When my brother or sister try to connect to my lan they either get, timed out

or unable to even see the server, and have to manually add it and it still wont work

please help

Also, tekkit lite is laggy as hell and i just got a new 1k dollar laptop D:

Error Messages:

Connection timed out: Connect

or if manually added server adress:

End of stream

Error Log:

No error log :/

[Vinnie0805]

I'm getting the same problem I've been searching around it works fine for alot of people but when my brother tries to join it says connection timed out