How to prevent whole site to load in iframe except one page

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I've implemented an asp.net MVC site. I want to prevent the whole site to load in the iframe except one page. I added below code under web config.

<httpProtocol>
      <customHeaders>
        <add name="X-Frame-Options" value="SAMEORIGIN" />
      </customHeaders>
    </httpProtocol>

What I have tried:

This code of web config prevents the whole site to load in the iframe. I try to remove 'X-Frame-Options' option from the view where only I want to allow the iframe

public ActionResult Ads()
       {
           Response.Headers.Remove("X-Frame-Options");
           return View();
       }

But when i run this code X-Frame-Options not removed from header. Please suggest me what can I do?

Posted 10-Sep-18 1:58am

Deepak Tiwari (D'pak)

Updated 11-Sep-18 7:08am

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Richard Deeming · Accepted Answer · 2018-09-11T07:08:00

Use a <location> tag in the config file to modify the headers for that action:

XML

<system.webServer>
    <httpProtocol>
        <customHeaders>
            <add name="X-Frame-Options" value="SAMEORIGIN" />
        </customHeaders>
    </httpProtocol>
</system.webServer>

<location path="YourController/Ads">
    <system.webServer>
        <httpProtocol>
            <customHeaders>
                <remove name="X-Frame-Options" />
            </customHeaders>
        </httpProtocol>
    </system.webServer>
</location>