From 9ae5d843635acbb981168c12d78c893877abdcac Mon Sep 17 00:00:00 2001
From: Brennan <brecon@microsoft.com>
Date: Fri, 17 Oct 2025 11:18:22 -0700
Subject: [PATCH] Revert log level severity for unknown proxy in
 ForwardedHeadersMiddleware

---
 .../HttpOverrides/src/ForwardedHeadersMiddleware.cs           | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Middleware/HttpOverrides/src/ForwardedHeadersMiddleware.cs b/src/Middleware/HttpOverrides/src/ForwardedHeadersMiddleware.cs
index 72cae1507a0e..4d52c59aacd0 100644
--- a/src/Middleware/HttpOverrides/src/ForwardedHeadersMiddleware.cs
+++ b/src/Middleware/HttpOverrides/src/ForwardedHeadersMiddleware.cs
@@ -241,9 +241,9 @@ public void ApplyForwarders(HttpContext context)
                 if (currentValues.RemoteIpAndPort != null && checkKnownIps && !CheckKnownAddress(currentValues.RemoteIpAndPort.Address))
                 {
                     // Stop at the first unknown remote IP, but still apply changes processed so far.
-                    if (_logger.IsEnabled(LogLevel.Warning))
+                    if (_logger.IsEnabled(LogLevel.Debug))
                     {
-                        _logger.LogWarning(1, "Unknown proxy: {RemoteIpAndPort}", currentValues.RemoteIpAndPort);
+                        _logger.LogDebug(1, "Unknown proxy: {RemoteIpAndPort}", currentValues.RemoteIpAndPort);
                     }
                     break;
                 }