diff --git a/lkt-docker-docs/labs/networking.html b/lkt-docker-docs/labs/networking.html
index 65c9d0ae..25150260 100644
--- a/lkt-docker-docs/labs/networking.html
+++ b/lkt-docker-docs/labs/networking.html
@@ -827,7 +827,7 @@ <h3>The <code class="xref c c-type docutils literal"><span class="pre">struct</s
 <li><code class="docutils literal"><span class="pre">source</span></code> is the source port;</li>
 <li><code class="docutils literal"><span class="pre">dest</span></code> is the destination port;</li>
 <li><code class="docutils literal"><span class="pre">syn</span></code>, <code class="docutils literal"><span class="pre">ack</span></code>, <code class="docutils literal"><span class="pre">fin</span></code> are the TCP flags used; for a more detailed view,
-see this <a class="reference external" href="http://www.eventhelix.com/Realtimemantra/Networking/Tcp.pdf">diagram</a>.</li>
+see this <a class="reference external" href="https://www.eventhelix.com/networking/tcp/Tcp.pdf">diagram</a>.</li>
 </ul>
 </div></blockquote>
 <p>The structure of a <a class="reference external" href="https://en.wikipedia.org/wiki/User_Datagram_Protocol#Packet_structure">UDP header</a>
@@ -1195,7 +1195,7 @@ <h3>1. Displaying packets in kernel space<a class="headerlink" href="#displaying
 specific functions. The <code class="xref c c-func docutils literal"><span class="pre">ip_hdr()</span></code> function returns the IP header as a
 pointer to a <code class="xref c c-type docutils literal"><span class="pre">struct</span> <span class="pre">iphdr</span></code> structure. The <code class="xref c c-func docutils literal"><span class="pre">tcp_hdr()</span></code> function
 returns the TCP header as a pointer to a <code class="xref c c-type docutils literal"><span class="pre">struct</span> <span class="pre">tcphdr</span></code> structure.</p>
-<p>The <a class="reference external" href="http://www.eventhelix.com/Realtimemantra/Networking/Tcp.pdf">diagram</a> explains how to make a TCP connection. The connection initiation
+<p>The <a class="reference external" href="https://www.eventhelix.com/networking/tcp/Tcp.pdf">diagram</a> explains how to make a TCP connection. The connection initiation
 packet has the <code class="docutils literal"><span class="pre">SYN</span></code> flag set in the TCP header and the <code class="docutils literal"><span class="pre">ACK</span></code> flag cleared.</p>
 <div class="admonition note">
 <p class="first admonition-title">Note</p>
@@ -1483,4 +1483,4 @@ <h3>5. UDP socket sender<a class="headerlink" href="#udp-socket-sender" title="P
    
 
 </body>
-</html>
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+</html>