diff --git a/DnsServerCore/DnsWebService.cs b/DnsServerCore/DnsWebService.cs
index f6a3ec97..98079fef 100644
--- a/DnsServerCore/DnsWebService.cs
+++ b/DnsServerCore/DnsWebService.cs
@@ -270,6 +270,7 @@ namespace DnsServerCore
                 }
 
                 serverOptions.AddServerHeader = false;
+                serverOptions.Limits.MaxRequestBodySize = null;
             });
 
             builder.Logging.ClearProviders();