How to: SFTP authentication via one-time passwords (OTP)

Syncplify.me Server! version: 5.0.0+

Occasionally our customers¬†ask if it’s possible to implement some form of one-time password (OTP) authentication for their SFTP users. Considering the complexity of the SSH authentication scheme, such task is definitely not trivial. To ease the process, Syncplify.me Server! V5 adds two new event-handlers and several functions to the scripting framework. This article explains how to use them to accomplish OTP authentication over SFTP. Continue reading