This article details how to configure the Sophos Firewall to add an extra layer of authentication by configuring OTP. OTP stands for one-time password, a password valid only for single login session or transaction.
Applies to the following Sophos products and versions Sophos Firewall
Note: SFOS supports the TOPT algorithm following RFC 6238
OTP creation method:
Example: With OTP it will be: <password><onetime pass-code> (e.g. password128363).
Note: Enabling OTP for user portal, it also enable it for captive portal and vice versa. This when OTP deployed manually or automatically.
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