diff --git a/src/config.json b/src/config.json
index 858435d2..3013ba62 100644
--- a/src/config.json
+++ b/src/config.json
@@ -27,6 +27,8 @@
     "api": {
         "port": 0,                             // port for the miner API https://github.com/xmrig/xmrig/wiki/API
         "access-token": null,                  // access token for API
-        "worker-id": null                      // custom worker-id for API
+        "worker-id": null,                     // custom worker-id for API
+        "ipv6": false,
+        "restricted": true
     }
 }
\ No newline at end of file
diff --git a/src/core/CommonConfig.cpp b/src/core/CommonConfig.cpp
index cf18d896..8d2eb03a 100644
--- a/src/core/CommonConfig.cpp
+++ b/src/core/CommonConfig.cpp
@@ -53,7 +53,7 @@ static const char *algoNames[] = {
 xmrig::CommonConfig::CommonConfig() :
     m_algorithm(CRYPTONIGHT),
     m_adjusted(false),
-    m_apiIPv6(true),
+    m_apiIPv6(false),
     m_apiRestricted(true),
     m_background(false),
     m_colors(true),