String PROXY = "http://proxy:8083";

        org.openqa.selenium.Proxy proxy = new org.openqa.selenium.Proxy();

        proxy.setHttpProxy(PROXY)

             .setFtpProxy(PROXY)

             .setSslProxy(PROXY);

        DesiredCapabilities ds = DesiredCapabilities.internetExplorer();

        ds.setCapability(InternetExplorerDriver.INTRODUCE_FLAKINESS_BY_IGNORING_SECURITY_DOMAINS, true);

        ds.setCapability("ignoreProtectedModeSettings", true);

        ds.setCapability(CapabilityType.PROXY, proxy);

        WebDriver driver = new InternetExplorerDriver(ds);