Server Finger Printing and Framework Disclosure

What do you mean by implement, we basically hide the server details and sensitive headers from the website, for that follow this

on web config

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Server Fingerprinting

protected void Page_Load(object sender, EventArgs e)
{
    // Get the Server header from the response
    string serverHeader = Response.Headers["Server"];

    if (!string.IsNullOrEmpty(serverHeader))
    {
        // Print or log the server information
        Response.Write("Server: " + serverHeader);
    }
}

Framework Disclosure

protected void Page_Load(object sender, EventArgs e)
{
    // Get the X-Powered-By header from the response
    string poweredByHeader = Response.Headers["X-Powered-By"];

    if (!string.IsNullOrEmpty(poweredByHeader))
    {
        // Print or log the framework information
        Response.Write("Framework: " + poweredByHeader);
    }
}