How to enable Server Side Includes (SSI) support in Plesk?

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  Tech Team October 11, 2021 08:54

  To make it work, you also need to put the line:

  ssi on;

  in Additional Nginx settins box for the domain interested.

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  Vladimir Chernikov October 12, 2021 08:06

  Hello @Sysadmins,

   

  Thank you for your input! It should be enough to enable SSI support via Plesk GUI at Domains > example.com > Hosting Settings > check SSI support:

  

  I've verified it in the test environment with <!--#echo var="DATE_LOCAL" --> directive. When SSI is enabled in Plesk GUI the current date displaying on the page. This means SSI working as expected. 

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  Jordan Schelew March 30, 2022 09:26

  @... If the option "Serve static files directly by nginx" is enabled and included in its list is the file extension for files that contain the SSI directives (ex: .htm), then Tech Team is correct: you will need to add `ssi on;`. I would imagine Plesk should be adding `ssi on;` to the nginx config for the domain for us when the SSI support box has been checked and the server static files by nginx option is enabled.

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  Vladimir Chernikov March 31, 2022 08:36

  Hello @Websavers Inc.,

   

  Thank you for your input.

   

  I've tested SSI in the test environment and it is required to enable SSI at Domains > example.com > Hosting Settings. 

   

  Also it is required to add the following directives to Domains > example.com > Apache & nginx settings > Additional apache directives with required web type:

  AddType text/html .html

  AddOutputFilter INCLUDES .html

   

  With "Serve static files directly by nginx" option enabled the server-side includes are working correctly:
  <!--#echo var="DATE_LOCAL" -->
  
  

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  Jordan Schelew March 31, 2022 11:40

  @... sorry but the SSI option under Domains > example.com > Hosting Settings was enabled throughout all my testing. Enabling it does not enable SSI in Nginx, only in Apache. 

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  Vladimir Chernikov April 04, 2022 08:40

  Hello @Jordan Schelew,

   

  I can verify that SSI is not enabled for NGINX if proxy mode is disabled. Apache is not used in this scenario. I've checked Plesk internal bug tracker and the issue is already registered with ID: PPP-45765

   

  Thank you for bringing this to our attention! The article will be updated accordingly soon.

   

  Currently, the exact ETA for this item is yet to be determined by the Plesk R&D team. The information will appear in the Plesk changelog: https://docs.plesk.com/release-notes/obsidian/change-log/

   

  I appreciate your understanding. 

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