diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1037c5109aa..0bcf36c0af3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
   - Changes from 5.25.0
     - API:
       - FIXED: Allow for special characters in the profile/method as part of the HTTP URL. [#6090](https://github.com/Project-OSRM/osrm-backend/pull/6090)
+      - FIXED: Set osrm-routed to immediately close bad connections [#6112](https://github.com/Project-OSRM/osrm-backend/pull/6112)
     - Build:
       - CHANGED: Replace Travis with Github Actions for CI builds [#6071](https://github.com/Project-OSRM/osrm-backend/pull/6071)
       - FIXED: Fixed Boost link flags in pkg-config file. [#6083](https://github.com/Project-OSRM/osrm-backend/pull/6083)
diff --git a/include/server/server.hpp b/include/server/server.hpp
index 53098fa61c5..06d2ec8e92b 100644
--- a/include/server/server.hpp
+++ b/include/server/server.hpp
@@ -101,6 +101,10 @@ class Server
                 new_connection->socket(),
                 boost::bind(&Server::HandleAccept, this, boost::asio::placeholders::error));
         }
+        else
+        {
+            util::Log(logERROR) << "HandleAccept error: " << e.message();
+        }
     }
 
     unsigned thread_pool_size;
diff --git a/src/server/connection.cpp b/src/server/connection.cpp
index d6441977f2c..31fed90e8e2 100644
--- a/src/server/connection.cpp
+++ b/src/server/connection.cpp
@@ -3,13 +3,10 @@
 #include "server/request_parser.hpp"
 
 #include <boost/algorithm/string/predicate.hpp>
-#include <boost/assert.hpp>
 #include <boost/bind.hpp>
 #include <boost/iostreams/filter/gzip.hpp>
 #include <boost/iostreams/filtering_stream.hpp>
 
-#include <iterator>
-#include <string>
 #include <vector>
 
 namespace osrm
@@ -48,6 +45,12 @@ void Connection::handle_read(const boost::system::error_code &error, std::size_t
 {
     if (error)
     {
+        if (error != boost::asio::error::operation_aborted)
+        {
+            // Error not triggered by timer expiry, commence connection shutdown.
+            util::Log(logDEBUG) << "Connection read error: " << error.message();
+            handle_shutdown();
+        }
         return;
     }
 
@@ -73,6 +76,7 @@ void Connection::handle_read(const boost::system::error_code &error, std::size_t
         current_request.endpoint = TCP_socket.remote_endpoint(ec).address();
         if (ec)
         {
+            util::Log(logDEBUG) << "Socket remote endpoint error: " << ec.message();
             handle_shutdown();
             return;
         }
@@ -165,6 +169,10 @@ void Connection::handle_write(const boost::system::error_code &error)
             handle_shutdown();
         }
     }
+    else
+    {
+        util::Log(logDEBUG) << "Connection write error: " << error.message();
+    }
 }
 
 /// Handle completion of a timeout timer..
@@ -183,6 +191,8 @@ void Connection::handle_timeout(boost::system::error_code ec)
 
 void Connection::handle_shutdown()
 {
+    // Cancel timer to ensure all resources are released immediately on shutdown.
+    timer.cancel();
     // Initiate graceful connection closure.
     boost::system::error_code ignore_error;
     TCP_socket.shutdown(boost::asio::ip::tcp::socket::shutdown_both, ignore_error);