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OpenOTP Two-Factor Authentication

OpenOTP plugin Enable two-factor authentication for your admins and/or users The plugin will transparently handle any OpenOTP Login Mode including, LD

It is versatile, device-independent and based on opened security standards. OpenOTP provides fine-grained user identity and access management (IAM), one-time passwords authentication technologies (OTP), Universal Second Factor (U2F) and extensive authentication policies for your AD / LDAP users. It is enterprise-ready with strong support for high-availability, load-balancing, multi-tenancy, cloud-readiness, geolocalization, delegated administration and much more.

Author RCDevs Inc
Contributors RCDevs
Tags Authenticator, login, password, rcdevs, security, strong authentication, two-factor, username
  1. openotp-authentication screenshot 1

    OpenOTP administration page with per role activation settings.

  2. openotp-authentication screenshot 2

    The OpenOTP plugin displays an overlay on Challenge-Response session.

Integrating OpenOTP authentication with WordPress is easy. Follow these quick installation steps:

  1. Upload openotp-authentification to the /wp-content/plugins/ directory

  2. Activate the plugin through the 'Plugins' menu in WordPress

3.If your PHP installation does not have the soap extension, install the php-soap package for your Linux distribution. With RedHat, do it with 'yum install php-soap'.

4.Edit the Server URL field and change the OpenOTP server URL to your OpenOTP server URL. Note: You can get your server URL in WebADM, under the Application menu.


  • WebService API is now versioned
  • U2F javascript scripts updated
  • OTP Challenge input doesn't show anymore characters in clear text (type=password)


  • Added support to OpenOTP Software Token to handle push logins Extend php soapclient to add timeout capabilities


  • Fixed SSL issue with PHP 5.6+
  • Enhanced FIDO U2F Library calls


  • Added support for OpenOTP v1.2.1


  • Added support for OpenOTP v1.2 and FIDO U2F authentication.


Initial release! - The plugin displays an overlay on Challenge-Response session - Global, per role and per user settings configuration - The plugin will transparently support any OpenOTP Login Mode including:

LDAP only OTP only LDAP+OTP with user challenge-response

How do I get started with OpenOTP?

Before installing the plugin, you'll need to download and configure OpenOTP server

Is OpenOTP's two-factor service really free?

Yes, OpenOTP is free up to 40 users, for more details please contact us.

Version 1.2.4

Requires WordPress version: 3.0 or higher

Compatible up to: 4.6.3

Last Updated 14 Nov 2016

Date Added: 14 Oct 2013

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