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copied!<p>After a bit of research we came up with the following list of headers that seemed to cover most browsers:</p> <ul> <li><a href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.21" rel="noreferrer">Expires</a>: Mon, 26 Jul 1997 05:00:00 GMT</li> <li><a href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9" rel="noreferrer">Cache-Control</a>: <a href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9.1" rel="noreferrer">no-cache</a>, private, <a href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9.4" rel="noreferrer">must-revalidate</a>, max-stale=0, post-check=0, pre-check=0 no-store</li> <li><a href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.32" rel="noreferrer">Pragma</a>: no-cache</li> </ul> <p>In ASP.NET we added these using the following snippet:</p> <pre><code>Response.ClearHeaders(); Response.AppendHeader("Cache-Control", "no-cache"); //HTTP 1.1 Response.AppendHeader("Cache-Control", "private"); // HTTP 1.1 Response.AppendHeader("Cache-Control", "no-store"); // HTTP 1.1 Response.AppendHeader("Cache-Control", "must-revalidate"); // HTTP 1.1 Response.AppendHeader("Cache-Control", "max-stale=0"); // HTTP 1.1 Response.AppendHeader("Cache-Control", "post-check=0"); // HTTP 1.1 Response.AppendHeader("Cache-Control", "pre-check=0"); // HTTP 1.1 Response.AppendHeader("Pragma", "no-cache"); // HTTP 1.0 Response.AppendHeader("Expires", "Mon, 26 Jul 1997 05:00:00 GMT"); // HTTP 1.0 </code></pre> <p>Found from: <a href="http://forums.asp.net/t/1013531.aspx" rel="noreferrer">http://forums.asp.net/t/1013531.aspx</a></p>

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