> For the complete documentation index, see [llms.txt](https://docs.devolutions.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.devolutions.net/server/web-interface/administration/modules/privileged-access/one-time-password-otp.md).

# One-time password (OTP)

Configure One-Time Password policies for PAM in Devolutions Server, setting combination strings, time step, code size, and hash algorithm for OTP generation.

The ***One-time password (OTP)*** section allows administrators to create and edit separate policies for OTP usage. One-time password policies can be set directly on folders and entries, or configured to be applied by default to all entries.

<table><thead><tr><th width="176">SETTINGS</th><th>DESCRIPTIONS</th></tr></thead><tbody><tr><td><strong>Usage</strong></td><td>Determine the behavior of the combination string, if any.</td></tr><tr><td><strong>Combination string</strong></td><td>Enter a combination string to be appended or prepended to either the password or username.</td></tr><tr><td><strong>Key</strong></td><td>The key used to generate the OTP. It can be entered manually or loaded by image.</td></tr><tr><td><strong>Time step</strong></td><td>Defines how long each OTP remains valid before rotating.</td></tr><tr><td><strong>Code size</strong></td><td>Determines the number of digits in each OTP.</td></tr><tr><td><strong>Hash algorithm</strong></td><td>Specifies the hashing algorithm used to calculate the OTP.</td></tr><tr><td><strong>Recovery codes</strong></td><td>Select a recovery code or create a new one if none exists.</td></tr></tbody></table>


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