CHAP v2 authentication required” message appears, what does it mean?
This message means that you are trying to connect PPTP VPN Server that is not supporting MS-CHAP v2. MS-CHAP v2 is well known since last century, from age of Windows 95 and Windows 98. MS-CHAP v2 is substituting previous ancient, unsecured and deprecated protocol MS-CHAP v1 (also known as MS-CHAP or just CHAP). Telexy’s SymVPN v.2.00.85 is supporting MS-CHAP v2 and is not supporting MS-CHAP v1 (MS-CHAP). Note. Microsoft is dropping support for MS-CHAP v1 in Windows Vista as well. • In some rare occasions, a few companies still have not upgraded their firmware and software and still are using MS-CHAP v1 (CHAP). So, this message is basically a friendly reminder for those companies that it is XXI century here and these companies are the last ones who are using very old and unsecured protocol MS-CHAP v1 (CHAP). • If PPTP VPN Server is not supporting MS-CHAP v2 protocol this automatically means that connection with such server is unsecure and there is a high risk that User’s private, financ
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