I'm posting that for information. Not sure if it was posted before. I got an email from my ISP telling me I was close to use up all my available data. Tracking down what was happening revealed that I was using an average of about 200-250 MB per hour so about 5 GB per day without any apparent reason. This was happening since upgrading to Mavericks. Googling brought me to the following link:
https://discussions.apple.com/message/23824838#23824838?ac_cid=tw123456#23824838
Turning off CRL & OCSP checking in the Certificates Preferences in Keychain Access solved the problem and actually made a HUGE difference.
Hope this will help somebody.
https://discussions.apple.com/message/23824838#23824838?ac_cid=tw123456#23824838
Turning off CRL & OCSP checking in the Certificates Preferences in Keychain Access solved the problem and actually made a HUGE difference.
Hope this will help somebody.