Internet Explorer must be configured to make proxy settings per user.

From Microsoft Internet Explorer 10 Security Technical Implementation Guide

Associated with IA controls: ECSC-1

SV-45219r1_rule Internet Explorer must be configured to make proxy settings per user.

Vulnerability discussion

This setting controls whether or not the Internet Explorer proxy settings are configured on a per-user or per-machine basis. If you enable this policy, users cannot set user specific proxy settings. They must use the zones created for all users of the computer. If you disable this policy or do not configure it, users of the same computer can establish their own proxy settings. This policy is intended to ensure that proxy settings apply uniformly to the same computer and do not vary from user to user.

Check content

Fix text

Set the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer "Make proxy settings per-machine (rather than per user)" to "Disabled".

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