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-rw-r--r--nixos/doc/manual/release-notes/rl-1609.xml6
1 files changed, 6 insertions, 0 deletions
diff --git a/nixos/doc/manual/release-notes/rl-1609.xml b/nixos/doc/manual/release-notes/rl-1609.xml
index afa61a2ebbd6..988e57caf105 100644
--- a/nixos/doc/manual/release-notes/rl-1609.xml
+++ b/nixos/doc/manual/release-notes/rl-1609.xml
@@ -129,6 +129,12 @@ following incompatible changes:</para>
   <literal>noexec</literal>, <literal>nodev</literal> and/or
   <literal>nosuid</literal> options.</para></listitem>
 
+  <listitem><para>The reverse path filter was interfering with DHCPv4 server
+  operation in the past. An exception for DHCPv4 and a new option to log
+  packets that were dropped due to the reverse path filter was added
+  (<literal>networking.firewall.logReversePathDrops</literal>) for easier
+  debugging.</para></listitem>
+
 </itemizedlist>