MFW-577: Add documentation for sip field (cloudflare#3919)

dpuga1 · Mar 25, 2022 · f75f74d · f75f74d
1 parent dc19071
commit f75f74d
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/content/magic-firewall/reference/magic-firewall-fields.md b/content/magic-firewall/reference/magic-firewall-fields.md
@@ -131,6 +131,15 @@ pcx-content-type: reference
         Example values: <code class="InlineCode">54</code>
         </td>
     </tr>
+    <tr>
+        <td><p><code>sip</code><br />{{<type>}}Boolean{{</type>}}</p>
+        </td>
+        <td>
+       Determines if packets are valid L7 protocol <a href="https://datatracker.ietf.org/doc/html/rfc2543">SIP</a>. Requires UDP packets to operate. <br />
+       Use a guard clause as shown below to ensure the packet is UDP (wirefilter)<br />
+       <code class="InlineCode">ip.proto == "udp"</code>
+        </td>
+    </tr>
     <tr>
         <td><p><code>tcp</code><br />{{<type>}}String{{</type>}}</p>
         </td>