In some circumstances, you may need to by-pass the proxy server. Typically, this is required for web sites that are not proxy-friendly. You can read more about this feature in the User Guide. If you find a web site or web service that requires a bypass, please add it to the list below!
Tivo personal video recorders are unable to connect without a bypass. Tivo's network is 126.96.36.199/14.
It has been reported in the community forums that Java client updates (at least for some versions) do not work behind the ClearOS proxy. The URL javadl-esd.sun.com works for some users. You can find more information in the following following forum thread
The Apple updater application fails to download updates without a bypass. Adding a bypass for the URL swcdn.apple.com allows it to update.