Title: [yubikey-plugin] Support | WordPress.org

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# [yubikey-plugin] Support

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    - Last Post
 *  -  [Warning: hash_equals(): Expected known_string to be a string, null given in](https://wordpress.org/support/topic/warning-hash_equals-expected-known_string-to-be-a-string-null-given-in/)
    -  Started by: [tigernero](https://wordpress.org/support/users/tigernero/)
    - 1
    - 0
    -  [5 years, 3 months ago](https://wordpress.org/support/topic/warning-hash_equals-expected-known_string-to-be-a-string-null-given-in/)
    -  [tigernero](https://wordpress.org/support/users/tigernero/)
 *  -  [desperately needed plugin](https://wordpress.org/support/topic/desperately-needed-plugin/)
    -  Started by: [j](https://wordpress.org/support/users/yjeanrenaud/)
    - 1
    - 0
    -  [8 years, 5 months ago](https://wordpress.org/support/topic/desperately-needed-plugin/)
    -  [j](https://wordpress.org/support/users/yjeanrenaud/)
 *  -  [Still Maintained?](https://wordpress.org/support/topic/still-maintained-9/)
    -  Started by: [Phill Healey](https://wordpress.org/support/users/munklefish/)
    - 1
    - 0
    -  [8 years, 6 months ago](https://wordpress.org/support/topic/still-maintained-9/)
    -  [Phill Healey](https://wordpress.org/support/users/munklefish/)
 *  -  [Add 'autocomplete="off"' attribute](https://wordpress.org/support/topic/add-autocompleteoff-attribute/)
    -  Started by: [Huskynarr](https://wordpress.org/support/users/huskynarr/)
    - 1
    - 0
    -  [10 years ago](https://wordpress.org/support/topic/add-autocompleteoff-attribute/)
    -  [Huskynarr](https://wordpress.org/support/users/huskynarr/)
 *  -  [Yubikey-Login-Field shows even if "Yubikey authentication" is disabled](https://wordpress.org/support/topic/yubikey-login-field-shows-even-if-yubikey-authentication-is-disabled/)
    -  Started by: [HennerB](https://wordpress.org/support/users/hennerb/)
    - 1
    - 0
    -  [10 years, 1 month ago](https://wordpress.org/support/topic/yubikey-login-field-shows-even-if-yubikey-authentication-is-disabled/)
    -  [HennerB](https://wordpress.org/support/users/hennerb/)
 *  -  [Is this plug active?](https://wordpress.org/support/topic/is-this-plug-active/)
    -  Started by: [Joseph G](https://wordpress.org/support/users/evolutionaryit/)
    - 3
    - 3
    -  [10 years, 6 months ago](https://wordpress.org/support/topic/is-this-plug-active/#post-6632132)
    -  [Joseph G](https://wordpress.org/support/users/evolutionaryit/)
 *  -  [Doesn't authenticate](https://wordpress.org/support/topic/doesnt-authenticate/)
    -  Started by: [thebinarybuddha](https://wordpress.org/support/users/thebinarybuddha/)
    - 1
    - 0
    -  [10 years, 10 months ago](https://wordpress.org/support/topic/doesnt-authenticate/)
    -  [thebinarybuddha](https://wordpress.org/support/users/thebinarybuddha/)
 *  -  [Optimizations for the plugin](https://wordpress.org/support/topic/optimizations-for-the-plugin/)
    -  Started by: [Stefan M.](https://wordpress.org/support/users/stefan-m-1/)
    - 1
    - 0
    -  [10 years, 12 months ago](https://wordpress.org/support/topic/optimizations-for-the-plugin/)
    -  [Stefan M.](https://wordpress.org/support/users/stefan-m-1/)
 *  -  [U2F support](https://wordpress.org/support/topic/u2f-support/)
    -  Started by: [Mike Doherty](https://wordpress.org/support/users/_doherty/)
    - 3
    - 2
    -  [10 years, 11 months ago](https://wordpress.org/support/topic/u2f-support/#post-5630152)
    -  [vanDaGrant](https://wordpress.org/support/users/vandagrant/)
 *  -  [N00b to Yubikey](https://wordpress.org/support/topic/n00b-to-yubikey/)
    -  Started by: [leknaas](https://wordpress.org/support/users/leknaas/)
    - 2
    - 1
    -  [11 years, 3 months ago](https://wordpress.org/support/topic/n00b-to-yubikey/#post-5596077)
    -  [arjenvandermeer](https://wordpress.org/support/users/arjenvandermeer/)
 *  -  [Yubikey API usage via HTTP](https://wordpress.org/support/topic/yubikey-api-usage-via-http/)
    -  Started by: [Giac0m0](https://wordpress.org/support/users/giac0m0/)
    - 2
    - 1
    -  [11 years, 5 months ago](https://wordpress.org/support/topic/yubikey-api-usage-via-http/#post-4390816)
    -  [Mike Doherty](https://wordpress.org/support/users/_doherty/)
 *  -  [Compatibility with Google Authenticator plugin?](https://wordpress.org/support/topic/compatibility-with-google-authenticator-plugin/)
    -  Started by: [heypete](https://wordpress.org/support/users/heypete/)
    - 1
    - 0
    -  [12 years, 6 months ago](https://wordpress.org/support/topic/compatibility-with-google-authenticator-plugin/)
    -  [heypete](https://wordpress.org/support/users/heypete/)
 *  -  [Changed username / user login : yubikey denies access](https://wordpress.org/support/topic/changed-username-user-login-yubikey-denies-access/)
    -  Started by: [DenBolle](https://wordpress.org/support/users/denbolle/)
    - 1
    - 0
    -  [12 years, 11 months ago](https://wordpress.org/support/topic/changed-username-user-login-yubikey-denies-access/)
    -  [DenBolle](https://wordpress.org/support/users/denbolle/)
 *  -  [wp-debug true and yubikey](https://wordpress.org/support/topic/wp-debug-true-and-yubikey/)
    -  Started by: [Squirrel](https://wordpress.org/support/users/mossyoak/)
    - 1
    - 0
    -  [12 years, 12 months ago](https://wordpress.org/support/topic/wp-debug-true-and-yubikey/)
    -  [Squirrel](https://wordpress.org/support/users/mossyoak/)
 *  -  [Yubikey was working, now it's not…](https://wordpress.org/support/topic/yubikey-was-working-now-its-not/)
    -  Started by: [core-data-recovery](https://wordpress.org/support/users/core-data-recovery/)
    - 1
    - 0
    -  [13 years, 1 month ago](https://wordpress.org/support/topic/yubikey-was-working-now-its-not/)
    -  [core-data-recovery](https://wordpress.org/support/users/core-data-recovery/)
 *  -  [Plugin not enforcing!](https://wordpress.org/support/topic/plugin-not-enforcing/)
    -  Started by: [saur0](https://wordpress.org/support/users/saur0/)
    - 2
    - 1
    -  [13 years, 1 month ago](https://wordpress.org/support/topic/plugin-not-enforcing/#post-3619474)
    -  [core-data-recovery](https://wordpress.org/support/users/core-data-recovery/)
 *  -  [PHP 5.3.2](https://wordpress.org/support/topic/php-532/)
    -  Started by: [marirs](https://wordpress.org/support/users/marirs/)
    - 1
    - 0
    -  [13 years, 4 months ago](https://wordpress.org/support/topic/php-532/)
    -  [marirs](https://wordpress.org/support/users/marirs/)
 *  -  [[Plugin: yubikey-plugin] Yubico activation URL has changed](https://wordpress.org/support/topic/plugin-yubikey-plugin-yubico-activation-url-has-changed/)
    -  Started by: [maartenmastbroek](https://wordpress.org/support/users/maartenmastbroek/)
    - 2
    - 1
    -  [13 years, 10 months ago](https://wordpress.org/support/topic/plugin-yubikey-plugin-yubico-activation-url-has-changed/#post-2838513)
    -  [Henrik Schack](https://wordpress.org/support/users/henrikschack/)
 *  -  [[Plugin: yubikey-plugin] Feature requests](https://wordpress.org/support/topic/plugin-yubikey-plugin-feature-requests/)
    -  Started by: [Scott Cariss](https://wordpress.org/support/users/l3rady/)
    - 1
    - 0
    -  [14 years, 6 months ago](https://wordpress.org/support/topic/plugin-yubikey-plugin-feature-requests/)
    -  [Scott Cariss](https://wordpress.org/support/users/l3rady/)
 *  -  [[Plugin: yubikey-plugin] XMLRPC/WordPress Mobile App Problems](https://wordpress.org/support/topic/plugin-yubikey-plugin-xmlrpcwordpress-mobile-app-problems/)
    -  Started by: [Tim Nolte](https://wordpress.org/support/users/tnolte/)
    - 2
    - 2
    -  [15 years, 1 month ago](https://wordpress.org/support/topic/plugin-yubikey-plugin-xmlrpcwordpress-mobile-app-problems/#post-2025469)
    -  [Tim Nolte](https://wordpress.org/support/users/tnolte/)
 *   

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 * [yubikey-plugin](https://wordpress.org/plugins/yubikey-plugin/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/yubikey-plugin/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/yubikey-plugin/)
 * [Active Topics](https://wordpress.org/support/plugin/yubikey-plugin/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/yubikey-plugin/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/yubikey-plugin/reviews/)