From 68413507f96191c665efa7cbdb48bfc37c2508e8 Mon Sep 17 00:00:00 2001
From: davidda <davidda@users.noreply.github.com>
Date: Wed, 27 Aug 2025 10:07:30 +0200
Subject: [PATCH] bugfix

---
 projects/RabbitMQ.Client/AmqpTcpEndpoint.cs        | 2 +-
 projects/RabbitMQ.Client/InternalConstants.cs      | 4 ++--
 projects/Test/Integration/TestConnectionFactory.cs | 4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/projects/RabbitMQ.Client/AmqpTcpEndpoint.cs b/projects/RabbitMQ.Client/AmqpTcpEndpoint.cs
index 4778ccbb8..5dfb87530 100644
--- a/projects/RabbitMQ.Client/AmqpTcpEndpoint.cs
+++ b/projects/RabbitMQ.Client/AmqpTcpEndpoint.cs
@@ -78,7 +78,7 @@ public AmqpTcpEndpoint(string hostName, int portOrMinusOne, SslOption ssl,
             _port = portOrMinusOne;
             Ssl = ssl;
             _maxInboundMessageBodySize = Math.Min(maxInboundMessageBodySize,
-                InternalConstants.DefaultRabbitMqMaxInboundMessageBodySize);
+                InternalConstants.MaximumRabbitMqMaxInboundMessageBodySize);
         }
 
         /// <summary>
diff --git a/projects/RabbitMQ.Client/InternalConstants.cs b/projects/RabbitMQ.Client/InternalConstants.cs
index 105ce297b..13019db68 100644
--- a/projects/RabbitMQ.Client/InternalConstants.cs
+++ b/projects/RabbitMQ.Client/InternalConstants.cs
@@ -41,9 +41,9 @@ internal static class InternalConstants
         /// <summary>
         /// Largest message size, in bytes, allowed in RabbitMQ.        
         /// Note: <code>rabbit.max_message_size</code> setting (https://www.rabbitmq.com/configure.html)
-        /// configures the largest message size which should be lower than this maximum of 128MiB.
+        /// configures the largest message size which should not be higher than this maximum of 512MiB.
         /// </summary>
-        internal const uint DefaultRabbitMqMaxInboundMessageBodySize = 1_048_576 * 128;
+        internal const uint MaximumRabbitMqMaxInboundMessageBodySize = 1_048_576 * 512;
 
         /// <summary>
         /// Largest client provide name, in characters, allowed in RabbitMQ.
diff --git a/projects/Test/Integration/TestConnectionFactory.cs b/projects/Test/Integration/TestConnectionFactory.cs
index 3a17efcd9..f8f83d08f 100644
--- a/projects/Test/Integration/TestConnectionFactory.cs
+++ b/projects/Test/Integration/TestConnectionFactory.cs
@@ -320,8 +320,8 @@ public async Task TestCreateConnectionUsesValidEndpointWhenMultipleSupplied()
         public void TestCreateAmqpTCPEndPointOverridesMaxMessageSizeWhenGreaterThanMaximumAllowed()
         {
             var ep = new AmqpTcpEndpoint("localhost", -1, new SslOption(),
-                2 * InternalConstants.DefaultRabbitMqMaxInboundMessageBodySize);
-            Assert.Equal(InternalConstants.DefaultRabbitMqMaxInboundMessageBodySize, ep.MaxInboundMessageBodySize);
+                2 * InternalConstants.MaximumRabbitMqMaxInboundMessageBodySize);
+            Assert.Equal(InternalConstants.MaximumRabbitMqMaxInboundMessageBodySize, ep.MaxInboundMessageBodySize);
         }
 
         [Fact]