From 1e7c1565944f7a348da20adc73bf95544264fc0e Mon Sep 17 00:00:00 2001
From: Shreyas Zare <shreyas@technitium.com>
Date: Sun, 20 Dec 2020 16:57:01 +0530
Subject: [PATCH] BlockListZoneManager: flushing zone before load to allow
 reloading.

---
 DnsServerCore/Dns/ZoneManagers/BlockListZoneManager.cs | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/DnsServerCore/Dns/ZoneManagers/BlockListZoneManager.cs b/DnsServerCore/Dns/ZoneManagers/BlockListZoneManager.cs
index 7c7eca1d..160f15a7 100644
--- a/DnsServerCore/Dns/ZoneManagers/BlockListZoneManager.cs
+++ b/DnsServerCore/Dns/ZoneManagers/BlockListZoneManager.cs
@@ -225,6 +225,8 @@ namespace DnsServerCore.Dns.ZoneManagers
 
         public void LoadBlockLists()
         {
+            Flush();
+
             //read all block lists in a queue
             Dictionary<Uri, Queue<string>> blockListQueues = new Dictionary<Uri, Queue<string>>(_blockListUrls.Count);
             int totalDomains = 0;