# Digest authentification: Authentification failure on RESTInterface and Manager-webgui

**URL:** <https://community.wowza.com/t/digest-authentification-authentification-failure-on-restinterface-and-manager-webgui/96164>\
**Category:** Wowza Streaming Engine\
**Created:** [May 22, 2023, 11:17am UTC](https://community.wowza.com/t/digest-authentification-authentification-failure-on-restinterface-and-manager-webgui/96164 "2023-05-22T11:17:13Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Sam\_Billings](https://avatars.discourse-cdn.com/v4/letter/s/838e76/32.png) [@Sam\_Billings](https://community.wowza.com/u/Sam_Billings)\
**Post date:** [May 22, 2023, 11:17am UTC](https://community.wowza.com/t/digest-authentification-authentification-failure-on-restinterface-and-manager-webgui/96164/1 "2023-05-22T11:17:13Z")

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I want to try the digest autheitication for RESTInterface and changed the Authenticationmethod to digest and encoding sheme to sha256 in the server.xml file. After restarting the server, i can’t log in to the wowza streaming engine manager aswell as i can’t reach the Rest API through commands. Am i supposed to do sth more in order to make it work ?

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**Author:** ![Alex\_C](https://avatars.discourse-cdn.com/v4/letter/a/bbe5ce/32.png) [@Alex\_C](https://community.wowza.com/u/Alex_C)\
**Post date:** [May 24, 2023, 12:29pm UTC](https://community.wowza.com/t/digest-authentification-authentification-failure-on-restinterface-and-manager-webgui/96164/2 "2023-05-24T12:29:15Z")

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Hello @Sam_Billings,

There could be multiple reasons for the issue. We can help troubleshoot the issue through as support ticket as it would require us to review your Wowza Streaming Engine logs, and configuration files, and possibly have you start the Wowza Streaming Engine in standalone mode.  
Please submit a support ticket.

Alex