From 682f8ffdd7cd71b77277719b114d4ca813175da4 Mon Sep 17 00:00:00 2001
From: Christian Poessinger <christian@poessinger.com>
Date: Mon, 21 May 2018 11:47:17 +0200
Subject: T588: Configurable Negative TTL caching in forwarder

---
 interface-definitions/dns-forwarding.xml | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

(limited to 'interface-definitions')

diff --git a/interface-definitions/dns-forwarding.xml b/interface-definitions/dns-forwarding.xml
index 273d7777b..5b69ecc81 100644
--- a/interface-definitions/dns-forwarding.xml
+++ b/interface-definitions/dns-forwarding.xml
@@ -1,7 +1,5 @@
 <?xml version="1.0"?>
-
 <!-- DNS forwarder configuration -->
-
 <interfaceDefinition>
   <node name="service">
     <children>
@@ -92,6 +90,18 @@
                   <multi/>
                 </properties>
               </leafNode>
+              <leafNode name="negative-ttl">
+                <properties>
+                  <help>Maximum amount of time negative entries are cached</help>
+                  <valueHelp>
+                    <format>0-7200</format>
+                    <description>Seconds to cache NXDOMAIN entries</description>
+                  </valueHelp>
+                  <constraint>
+                    <validator name="numeric" argument="--range 0-7200"/>
+                  </constraint>
+                </properties>
+              </leafNode>
               <leafNode name="name-server">
                 <properties>
                   <help>Domain Name Server (DNS)</help>
-- 
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