How to enable/disable SNI support on the Plesk server

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    John Bertin (Edited )

    On a fresh install of Plesk Obsidian, there is no SNI_SUPPORT line in /etc/psa/psa.conf

     

    Also the link: How to check if Apache with SNI support is installed

    is invalid 

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    Lev Iurev

    @Robin Labadie as far as I understood you mean SNI for mail, CentOS6 is not supported in this case

    https://support.plesk.com/hc/en-us/articles/115001446174-How-to-secure-a-Plesk-mail-server-with-different-SSL-certificates-SNI-support-

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    Ivan Postnikov

    Hello @Josh,

    That's expected that there's no such line on a new installation of the modern Plesk version.

    This line is required to be added manually only in case the server was upgraded from version 11.0 and earlier.

     

    Thank you for noticing the broken link, I have removed it from the article as the information from this article is already present in this one.

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    Robin Labadie

    Hello,

    SNI option is not showing in Plesk panel on a particular VM of ours.

    Context:
    - OS : CentOS 6
    - Was updated to Obsidian while having Qmail as an SMTP server
    - Postfix was installed as a replacement for Qmail
    - SNI_SUPPORT true is defined in psa.conf
    - Server was rebooted
    - Still no SNI showing up

    Anything else to check in order to get the option? Or maybe isn't it available for CentOS 6 within Plesk yet?

    Thank you

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    Robin Labadie

    Hello.

    Thanks Lev Iurev , in the meantime, I figured out this is due to Postfix's version in CentOS 6 which is not compatible with SNI. Too bad. :(

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