said by IPfaxer:
STOP churning through all your settings. Its probably not your equipment if it was working until recently. I am saying this to save you time and aggravation. You can also try to private message Iscream here at these forums.=
Well it very well might be his settings as the timeline the OP has provided does coincide with the changes that CC has made to combat the DDoS issue. So it doesn't hurt to try to see if changes to the settings will solve the problem before piling more work on CC's already overworked tech support.