diff --git a/common/winbox_session.cpp b/common/winbox_session.cpp
index ef0aa3f..4ec3eda 100644
--- a/common/winbox_session.cpp
+++ b/common/winbox_session.cpp
@@ -56,6 +56,12 @@ Winbox_Session::~Winbox_Session()
 
 bool Winbox_Session::login(const std::string& p_username, const std::string& p_password, boost::uint32_t& p_session_id)
 {
+    return login_old(p_username, p_password, p_session_id) || login_new(p_username, p_password, p_session_id);
+}
+
+bool Winbox_Session::login_old(const std::string& p_username, const std::string& p_password, boost::uint32_t& p_session_id)
+{
+    std::cout << "Try old login method pre-v6.43 ..." << std::endl;
     WinboxMessage msg;
 
     // request the challenge
@@ -133,6 +139,41 @@ bool Winbox_Session::login(const std::string& p_username, const std::string& p_p
     return true;
 }
 
+bool Winbox_Session::login_new(const std::string& p_username, const std::string& p_password, boost::uint32_t& p_session_id)
+{
+    std::cout << "Try new login method post-v6.43 ..." << std::endl;
+    WinboxMessage msg;
+
+    msg.set_to(13, 4);
+    msg.set_command(1);
+    msg.set_request_id(4);
+    msg.set_session_id(p_session_id);
+    msg.set_reply_expected(true);
+    msg.add_string(1, p_username);
+    msg.add_string(3, p_password);
+    if (!send(msg))
+    {
+        return false;
+    }
+
+    msg.reset();
+    if (!receive(msg))
+    {
+        std::cerr << "Error receiving a response." << std::endl;
+        return false;
+    }
+
+    if (msg.has_error())
+    {
+        std::cerr << msg.get_error_string() << std::endl;
+        return false;
+    }
+
+    p_session_id = msg.get_session_id();
+
+    return true;
+}
+
 bool Winbox_Session::send(const WinboxMessage& p_msg)
 {
     std::string serialized(p_msg.serialize_to_binary());
diff --git a/common/winbox_session.hpp b/common/winbox_session.hpp
index e4a0bba..04c845a 100644
--- a/common/winbox_session.hpp
+++ b/common/winbox_session.hpp
@@ -65,6 +65,18 @@ class Winbox_Session : public Session
      * Using the mproxy old(?) protocol, request a file to read
      */
     bool old_mproxy_get_file(const std::string& p_file, std::string& p_result);
+
+private:
+    /**
+     * Login method pre-v6.43
+     */
+    bool login_old(const std::string& p_username, const std::string& p_password, boost::uint32_t& p_session_id);
+
+    /**
+     * Login method post-v6.43
+     */
+    bool login_new(const std::string& p_username, const std::string& p_password, boost::uint32_t& p_session_id);
+
 };
 
 #endif