credativ® Blog
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Tag: SSH
10 December 2020
Create QR Codes for TOTP Secrets
The article Two-factor authentication for OpenSSH and OpenVPN presented a simple way to increase the security of PAM-enabled services through two-factor authentication. The TOTP method used generates a one-time password that is valid for a limited period of time based on a shared secret. Depending on the method and encoding, the shared secret consists of […]
02 November 2020
Two-Factor Authentication for OpenSSH and OpenVPN
Authentication using username and password still represents the standard procedure for most applications to authenticate to a service. However, the use of a second factor is becoming increasingly widespread and is even recommended by the BSI, the German Federal Office for Information Security. While not mandatory, various web services at least offer the option to […]