Merge pull request #254 from openshift-cherrypick-robot/cherry-pick-2…

…53-to-release-4.7 [release-4.7] Bug 1943826: Corefile: Use 30 second max TTL for caching of negative responses
openshift · Mar 31, 2021 · 542c391 · 542c391
2 parents 0eb71da + b8f9621
commit 542c391
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Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/pkg/operator/controller/controller_dns_configmap.go b/pkg/operator/controller/controller_dns_configmap.go
@@ -44,7 +44,9 @@ var corefileTemplate = template.Must(template.New("Corefile").Parse(`{{range .Se
     forward . /etc/resolv.conf {
         policy sequential
     }
-    cache 900
+    cache 900 {
+        denial 9984 30
+    }
     reload
 }
 `))

diff --git a/pkg/operator/controller/controller_dns_configmap_test.go b/pkg/operator/controller/controller_dns_configmap_test.go
@@ -56,7 +56,9 @@ bar.com:5353 example.com:5353 {
     forward . /etc/resolv.conf {
         policy sequential
     }
-    cache 900
+    cache 900 {
+        denial 9984 30
+    }
     reload
 }
 `