(Almost) All bukkit ports are done by MC Port Central and can be found here. Requests etc all also go there. http://www.mcportcentral.co.za/
Tekkit is a modpack. It uses bukkit as a server.
I am getting this error: 02:25 AM [INFO] Connection from 192.168.1.101/61123 02:25 AM [INFO] 192.168.1.101/61123 (ChrysWhyte): Improper username...
Separate names with a comma.