From c95e8161485ac47aa3c4f65efe99f335cf330d46 Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Mon, 7 Feb 2022 09:58:53 +0100
Subject: netwatch-dns: flush cache on configuration change

(cherry picked from commit a47f5723cc4cdd287d36aaffd7619c17494f9345)
---
 netwatch-dns | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'netwatch-dns')

diff --git a/netwatch-dns b/netwatch-dns
index e731d95..e2fcfa3 100644
--- a/netwatch-dns
+++ b/netwatch-dns
@@ -43,12 +43,14 @@ $ScriptLock $0;
   :if ($DnsServers != $DnsCurrent) do={
     $LogPrintExit2 info $0 ("Updating DNS servers: " . [ :tostr $DnsServers ]) false;
     / ip dns set servers=$DnsServers;
+    / ip dns cache flush;
   }
 } else={
   :if ([ :len $DnsFallback ] > 0) do={
     :if ($DnsFallback != $DnsCurrent) do={
       $LogPrintExit2 info $0 ("Updating DNS servers to fallback: " . [ :tostr $DnsFallback ]) false;
       / ip dns set servers=$DnsFallback; 
+      / ip dns cache flush;
     }
   }
 }
@@ -69,10 +71,12 @@ $ScriptLock $0;
   :if ($DohServer != $DohCurrent) do={
     $LogPrintExit2 info $0 ("Updating DoH server: " . $DohServer) false;
     / ip dns set use-doh-server=$DohServer;
+    / ip dns cache flush;
   }
 } else={
   :if ($DohCurrent != "") do={
     $LogPrintExit2 info $0 ("DoH server (" . $DohCurrent . ") is down, disabling.") false;
     / ip dns set use-doh-server="";
+    / ip dns cache flush;
   }
 }
-- 
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