I Hate....

HaloScan...or my computer...whatever it is that is keeping me from commenting on the blogs of friends. I've tried 3 different blogs today and they all use HaloScan and are all giving me the same error.

Open proxy detected. Comment posting disabled. If you think you have received this message in error, please contact the webmaster.

Does anyone know what that means? I have a feeling it's not HaloScan or how would others be able to comment? I knew I should have asked Santa for a new computer!