In this page of ReSharper options you can adjust Web proxy settings for ReSharper's Internet connection. By default, ReSharper follows your system settings and if any proxy server is defined in your system, ReSharper will use it too for fetching sources from symbol servers, detecting updates, etc.
|Use system Web proxy settings when downloading from Internet||You can clear this check box to override system Web proxy settings for ReSharper's Internet connection.|
|Edit||By clicking on this button you open the Internet Properties dialog box, where you can change system Web proxy settings.|
ReSharper's settings are saved in settings layers that enable you to have different settings for different solutions as well as to share your settings with your team. To learn more, study the Managing and Sharing Options section.