Monday, 11 July 2011 13:28
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Securing OpenVPN With A One Time Password (OTP) On Ubuntu
So, you got yourself a nice OpenVPN box. People need to login with their certificates but... if their laptop is stolen anyone could login. Sure, you could add password login but thats a bit outdated. The solution for this is using a OTP (one time password).
Read more: http://howtoforge.com/securing-openvpn-with-a-one-time-password-otp-on-ubuntu