diff --git a/config.json b/config.json
new file mode 100644
index 0000000..6cdeef7
--- /dev/null
+++ b/config.json
@@ -0,0 +1,13 @@
+{
+  "forwarding": [
+    {
+      "from": "127.0.0.1:12345",
+      "to": "127.0.0.1:12346",
+      "doReverse": true
+    }
+  ],
+  "blacklist": [
+    "127.0.0.1:11111",
+    "127.0.0.1:58109"
+  ]
+}
\ No newline at end of file