Microsoft Edge has an additional setting that you may need to make by browsing to about:flags and enabling Allow localhost loopback. The Windows proxy settings are configured in the Internet Options control panel on the Connections tab if you want to look at them yourself. By default Charles will configure and then reconfigure the Windows proxy settings whenever Charles is started or quit.Ĭharles proxy configuration behaviour can be changed in Charles in the Proxy Menu, Proxy Settings dialog. Mozilla Firefox proxy settings (all platforms)Ĭharles can automatically configure the Windows proxy settings so that Internet Explorer and other Windows applications automatically start using Charles.macOS proxy settings – used automatically by most macOS applications.Windows / Internet Explorer proxy settings – used automatically by most Windows applications.

Most browsers will have a way to configure this manually, but configuring manually is annoying because you have to configure and reconfigure everytime you start and stop Charles.įortunately Charles can autoconfigure the proxy settings in many cases including: In order for any browser (or any application) to use Charles it must be configured to use Charles as its proxy server.

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