http://grey-x.net/tags/portproxy/ Recent content in Portproxy on Cybersécurité Hugo fr Fri, 14 Aug 2026 12:12:00 +0200 http://grey-x.net/posts/port_proxy/ Fri, 14 Aug 2026 12:12:00 +0200 http://grey-x.net/posts/port_proxy/ <blockquote> <p><code>GREY-X // WINDOWS LAB</code></p> <p><code>netsh interface portproxy — TCP PORT FORWARDING</code></p></blockquote> <p>Windows possède nativement un mécanisme permettant de <strong>rediriger des connexions TCP</strong> d&rsquo;un port local vers une autre adresse et un autre port.</p> <p>La commande utilisée est :</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#000;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-cmd" data-lang="cmd"><span style="display:flex;"><span>netsh interface portproxy </span></span></code></pre></div><p>C&rsquo;est particulièrement intéressant en cybersécurité pour comprendre :</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#000;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-text" data-lang="text"><span style="display:flex;"><span>Port Forwarding </span></span><span style="display:flex;"><span>TCP Redirection </span></span><span style="display:flex;"><span>Pivoting </span></span><span style="display:flex;"><span>Network Segmentation </span></span><span style="display:flex;"><span>Access Control </span></span></code></pre></div><p>Contrairement à :</p> <div class="highlight"><pre tabindex="0" style="color:#f8f8f2;background-color:#000;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-cmd" data-lang="cmd"><span style="display:flex;"><span>netsh winhttp </span></span></code></pre></div><p>qui concerne la configuration d&rsquo;un proxy <strong>WinHTTP</strong>, <code>portproxy</code> travaille au niveau du <strong>trafic TCP</strong>.</p>