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How does IE automatically detect proxy settings?

by Rhyley Bryan

How does IE automatically detect proxy settings?

When automatic proxy detection is enabled, the WebProxy class attempts to locate the proxy configuration script as follows: The WinINet InternetQueryOption function is used to locate the proxy configuration script most recently detected by Internet Explorer.

How do I turn off Internet Explorer automatic proxy settings?

Disable Automatic Configuration and Proxy Server Settings

  1. From Internet Explorer’s top menu, click Tools > Internet Options.
  2. From the Connections tab, locate the desired connection (e.g. NationalAccess – Mobile Broadband) then click Settings.
  3. Ensure the following settings are disabled (unchecked) then click OK.

What does automatic proxy configuration do?

A Proxy Auto-Configuration (PAC) file is a JavaScript function that determines whether web browser requests (HTTP, HTTPS, and FTP) go directly to the destination or are forwarded to a web proxy server.

How to enable auto proxy in IE 11?

Open the IE Customization Wizard 11, and go to the Automatic Configuration page. Choose the Enable Automatic Configuration box to let you change the rest of the configuration options, including:

How to troubleshoot auto configuration and auto proxy?

If you experience issues while setting up your proxy server, you can try these troubleshooting steps: Check to make sure the proxy server address is right. Check that both Automatically detect settings and Automatic configuration are turned on in the browser. Check that the browser is pointing to the right automatic configuration script location.

How does automatic proxy detection work in Internet Explorer?

Automatic proxy detection is performed by the WebProxy class and can employ request-level settings, settings in configuration files, and settings specified using the Internet Explorer Local Area Network (LAN) dialog box.

How to enable automatic configuration in Internet Explorer?

Choose the Automatically detect configuration settings check box to allow automatic detection of browser settings. Choose the Enable Automatic Configuration box to let you change the rest of the configuration options, including: