check the registry for the 'ProxyEnable' value check the state of the proxy settings // // private void checkProxy() Since there is so little code required, I have included the whole application's source: This holds true even if the GUI settings are inaccessible due to GPO lock down. ( ntuser.dat in the user's profile) All users have the rights to write to this hive, as it stores only the logged in user's settings. All that is required, is that you change a registry setting in the HKEY_CURRENT_USER hive. This program cannot bypass filtering that uses WCCP or the like to redirect Web traffic at the gateway. This can be useful if you are on a public computer that uses a proxy server to filter URLs. This program was written to demonstrate that even in a Windows domain where Internet Explorer settings are locked down with a GPO, even a basic user ('users' group) can override the GPO setting that forces the use of a proxy server. Please seek permission prior to use, and use this program for testing/proof-of-concept only. A *Glaring* hole in the Windows GPO implementationįirst of all, let me say that the use of this program can violate any terms of service or usage policies that are in place at your organization.Connecting to and manipulating the registry.
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