Well i cant find he 3.0.3 patch some server say 3.0.3 some say 3.0.2 and some others say 3.0.1 but i cant go in they say the dl does not match where can i download the patch.

http://www.unknownworlds.com/ns/view?action=files

If your looking for client.

3.0.2/3 are server side I'm pretty sure if my memory is correct.

3.01/2/3 are all server-side patches, you only need the 3.0 final version of ns to play.