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DnsWebService: updated settings api and config code for cache maximum entries option. Setting NS Revalidation default value to true for security reasons.

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This commit is contained in:
Shreyas Zare
2022-04-23 18:00:12 +05:30
parent 32169d9313
commit 907dad125a
1 changed files with 20 additions and 5 deletions
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25
DnsServerCore/DnsWebService.cs
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@@ -639,7 +639,7 @@ namespace DnsServerCore
break;
case "/api/resolveQuery":
await ResolveQuery(request, jsonWriter);
await ResolveQueryAsync(request, jsonWriter);
break;
case "/api/listLogs":
@@ -1429,6 +1429,9 @@ namespace DnsServerCore
jsonWriter.WritePropertyName("serveStaleTtl");
jsonWriter.WriteValue(_dnsServer.CacheZoneManager.ServeStaleTtl);
jsonWriter.WritePropertyName("cacheMaximumEntries");
jsonWriter.WriteValue(_dnsServer.CacheZoneManager.MaximumEntries);
jsonWriter.WritePropertyName("cacheMinimumRecordTtl");
jsonWriter.WriteValue(_dnsServer.CacheZoneManager.MinimumRecordTtl);
@@ -1979,6 +1982,10 @@ namespace DnsServerCore
if (!string.IsNullOrEmpty(strServeStaleTtl))
_dnsServer.CacheZoneManager.ServeStaleTtl = uint.Parse(strServeStaleTtl);
string strCacheMaximumEntries = request.QueryString["cacheMaximumEntries"];
if (!string.IsNullOrEmpty(strCacheMaximumEntries))
_dnsServer.CacheZoneManager.MaximumEntries = long.Parse(strCacheMaximumEntries);
string strCacheMinimumRecordTtl = request.QueryString["cacheMinimumRecordTtl"];
if (!string.IsNullOrEmpty(strCacheMinimumRecordTtl))
_dnsServer.CacheZoneManager.MinimumRecordTtl = uint.Parse(strCacheMinimumRecordTtl);
@@ -2951,7 +2958,7 @@ namespace DnsServerCore
#region dns client api
private async Task ResolveQuery(HttpListenerRequest request, JsonTextWriter jsonWriter)
private async Task ResolveQueryAsync(HttpListenerRequest request, JsonTextWriter jsonWriter)
{
string server = request.QueryString["server"];
if (string.IsNullOrEmpty(server))
@@ -3419,6 +3426,7 @@ namespace DnsServerCore
case 24:
case 25:
case 26:
case 27:
_dnsServer.ServerDomain = bR.ReadShortString();
_webServiceHttpPort = bR.ReadInt32();
@@ -3882,7 +3890,7 @@ namespace DnsServerCore
if (version >= 22)
_dnsServer.NsRevalidation = bR.ReadBoolean();
else
_dnsServer.NsRevalidation = false; //default false since some badly configured websites fail to load
_dnsServer.NsRevalidation = true; //default true for security reasons
if (version >= 23)
{
@@ -3945,6 +3953,11 @@ namespace DnsServerCore
_dnsServer.TcpReceiveTimeout = 10000;
}
if (version >= 27)
_dnsServer.CacheZoneManager.MaximumEntries = bR.ReadInt32();
else
_dnsServer.CacheZoneManager.MaximumEntries = 0;
break;
default:
@@ -4082,7 +4095,7 @@ namespace DnsServerCore
_dnsServer.RandomizeName = true; //default true to enable security feature
_dnsServer.QnameMinimization = true; //default true to enable privacy feature
_dnsServer.NsRevalidation = false; //default false since some badly configured websites fail to load
_dnsServer.NsRevalidation = false; //default true for security reasons
_dnsServer.DnssecValidation = true;
CreateForwarderZoneToDisableDnssecForNTP();
@@ -4122,7 +4135,7 @@ namespace DnsServerCore
BinaryWriter bW = new BinaryWriter(mS);
bW.Write(Encoding.ASCII.GetBytes("DS")); //format
bW.Write((byte)26); //version
bW.Write((byte)27); //version
bW.WriteShortString(_dnsServer.ServerDomain);
bW.Write(_webServiceHttpPort);
@@ -4337,6 +4350,8 @@ namespace DnsServerCore
bW.Write(_dnsServer.TcpSendTimeout);
bW.Write(_dnsServer.TcpReceiveTimeout);
bW.Write(_dnsServer.CacheZoneManager.MaximumEntries);
//write config
mS.Position = 0;