From d56e896f0721fc1f8a6b54d4178bf1afdfbe6dce Mon Sep 17 00:00:00 2001
From: 2dust <31833384+2dust@users.noreply.github.com>
Date: Sun, 1 Mar 2026 14:20:05 +0800
Subject: [PATCH] Ignore json file extensions in IsDomain

---
 v2rayN/ServiceLib/Common/Utils.cs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/v2rayN/ServiceLib/Common/Utils.cs b/v2rayN/ServiceLib/Common/Utils.cs
index 75ef4627..3907b1a7 100644
--- a/v2rayN/ServiceLib/Common/Utils.cs
+++ b/v2rayN/ServiceLib/Common/Utils.cs
@@ -497,6 +497,13 @@ public class Utils
             return false;
         }
 
+        var ext = Path.GetExtension(domain);
+        if (ext.IsNotEmpty()
+            && ext[1..].ToLowerInvariant() is "json" or "txt" or "xml" or "cfg" or "ini" or "log" or "yaml" or "yml" or "toml")
+        {
+            return false;
+        }
+
         return Uri.CheckHostName(domain) == UriHostNameType.Dns;
     }