From 782bdcc0a9c118f4b7a25fc90a966a6381a7f248 Mon Sep 17 00:00:00 2001
From: Robin Dadswell <19610103+RobinDadswell@users.noreply.github.com>
Date: Wed, 4 Aug 2021 21:42:42 +0100
Subject: [PATCH] Fixed: Real IP logging when IPv4 is mapped as IPv6

---
 src/Lidarr.Http/Extensions/RequestExtensions.cs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/Lidarr.Http/Extensions/RequestExtensions.cs b/src/Lidarr.Http/Extensions/RequestExtensions.cs
index 5ada6f5d7..2ca50cf88 100644
--- a/src/Lidarr.Http/Extensions/RequestExtensions.cs
+++ b/src/Lidarr.Http/Extensions/RequestExtensions.cs
@@ -156,6 +156,12 @@ namespace Lidarr.Http.Extensions
             }
 
             var remoteIP = request.HttpContext.Connection.RemoteIpAddress;
+
+            if (remoteIP.IsIPv4MappedToIPv6)
+            {
+                remoteIP = remoteIP.MapToIPv4();
+            }
+
             var remoteAddress = remoteIP.ToString();
 
             // Only check if forwarded by a local network reverse proxy