Headit is a simple plugin to allow you to add custom HTTP response headers to your site.

Dimitar Ivanov

HTTP Headers

HTTP Headers adds CORS & security HTTP headers to your website.

MOHIT GOYAL

HTTP Security Header

Add and manage essential HTTP security headers with ease. Protect your WordPress site from XSS, clickjacking, and other common vulnerabilities.

YUKI OKAMOTO

Plugin Name: Allow CORS XML-RPC

This plugin allow CORS(Cross-Origin Resource Sharing) for XML-RPC API.

Max Harmony

Add NSA Header

Add NSA Header adds an NSA-Keywords HTTP header to reduce the effectiveness of mass spying operations.

StampyCode

<p>This plugin addresses the need for a simple way to add HTTP headers to outbound HTTP responses in your site.</p>
<p>These headers can include custom ones specific to your application, or can be security related. Some you may wish to specify to protect your site may include:</p>
<ul>
<li>Public-Key-Pins</li>
<li>Strict-Transport-Security</li>
<li>X-Frame-Options</li>
<li>X-XSS-Protection</li>
<li>X-Content-Type-Options</li>
<li>Content-Security-Policy</li>
<li>Content-Security-Policy-Report-Only</li>
</ul>
<h3>Related Links</h3>
<ul>
<li><a href="http://www.troyhunt.com/2015/09/introducing-you-to-browser-security.html" rel="nofollow ugc">Troy Hunt – Introducing you to browser security headers on Pluralsight</a></li>
<li><a href="https://app.pluralsight.com/library/courses/browser-security-headers" rel="nofollow ugc">PluralSight.com – Introduction to Browser Security Headers</a></li>
<li><a href="https://www.owasp.org/index.php/List_of_useful_HTTP_headers" rel="nofollow ugc">OWASP – List of useful HTTP headers</a></li>
<li><a href="https://scotthelme.co.uk/hardening-your-http-response-headers/" rel="nofollow ugc">Scott Helme – Hardening your HTTP response headers</a></li>
</ul>


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