From 6bebb650fad46b003c490537a9e1b7f182deb7a3 Mon Sep 17 00:00:00 2001
From: Shreyas Zare <shreyas@technitium.com>
Date: Sat, 29 Jul 2023 13:26:12 +0530
Subject: [PATCH] DhcpServer: updated ReadUdpRequestAsync() to use larger
 buffer size and log message size error code cases.

---
 DnsServerCore/Dhcp/DhcpServer.cs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/DnsServerCore/Dhcp/DhcpServer.cs b/DnsServerCore/Dhcp/DhcpServer.cs
index 98639e03..22852fea 100644
--- a/DnsServerCore/Dhcp/DhcpServer.cs
+++ b/DnsServerCore/Dhcp/DhcpServer.cs
@@ -157,7 +157,7 @@ namespace DnsServerCore.Dhcp
 
         private async Task ReadUdpRequestAsync(Socket udpListener)
         {
-            byte[] recvBuffer = new byte[576];
+            byte[] recvBuffer = new byte[1500];
 
             try
             {
@@ -179,11 +179,16 @@ namespace DnsServerCore.Dhcp
                         {
                             case SocketError.ConnectionReset:
                             case SocketError.HostUnreachable:
-                            case SocketError.MessageSize:
                             case SocketError.NetworkReset:
                                 result = default;
                                 break;
 
+                            case SocketError.MessageSize:
+                                _log?.Write(ex);
+
+                                result = default;
+                                break;
+
                             default:
                                 throw;
                         }