vncserver with SMS OTPs?

Hi all,

I am trying to improve the security of vnc remote access to a particular server (RHEL 5.0) which is used to perform administrative functions in the production network for my team.

I wish to implement a sms-otp type security mechanism to secure authentications to the user connections to the vncserver service.

Anyone has any ideas or experience on how do i go about implementing this?

Thanks!
jaglinAsked:
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btanConnect With a Mentor Exec ConsultantCommented:
Another proxy at the front before granting service ... below example for info

http://www.rcdevs.com/products/openotp/smsotp.php

https://devcentral.f5.com/tech-tips/articles/one-time-passwords-via-an-sms-gateway-with-big-ip-access-policy-manager

Other (not SMS based ....)

Setup Two-Factor Authentication using OpenOTP
http://www.linuxforu.com/2011/08/setip-two-factor-authentication-using-openotp/

Setup Two-Factor Authentication using Google Authenticator and Secure Gateway
https://devcentral.f5.com/tech-tips/articles/two-factor-authentication-with-google-authenticator-and-ldap
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