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-rw-r--r--lib/diameter/doc/src/diameter.xml21
1 files changed, 21 insertions, 0 deletions
diff --git a/lib/diameter/doc/src/diameter.xml b/lib/diameter/doc/src/diameter.xml
index 37e67d8630..6e41b01c44 100644
--- a/lib/diameter/doc/src/diameter.xml
+++ b/lib/diameter/doc/src/diameter.xml
@@ -783,6 +783,27 @@ be matched by corresponding &capability; configuration, of
</item>
+<marker id="incoming_maxlen"/>
+<tag><c>{incoming_maxlen, 0..16777215}</c></tag>
+<item>
+<p>
+Bound on the expected size of incoming Diameter messages.
+Messages larger than the specified number of bytes are discarded.</p>
+
+<p>
+Defaults to <c>16777215</c>, the maximum value of the 24-bit Message
+Length field in a Diameter Header.</p>
+
+<warning>
+<p>
+This option should be set to as low a value as is sufficient for the
+Diameter applications and peers in question, since decoding incoming
+messages from a malicious peer can otherwise generate significant
+load.</p>
+</warning>
+
+</item>
+
<tag><c>{restrict_connections, false
| node
| nodes