Article ID: 114445, created on Jul 26, 2012, last review on Jun 7, 2014

  • Applies to:
  • Plesk 11.5 for Linux


This article provides instructions on how to check if the Server Name Indication (SNI) extension is installed on your server.

To check if the Apache web server with SNI support is installed, use the Autoinstaller utility.

Check if "Apache web server with SNI support" is included in the list of installed components: # /usr/local/psa/admin/sbin/autoinstaller --select-release-current --show-components |grep SNI  apache-sni        [up2date] - Apache web server with SNI support

You can check it with this package:

# rpm -qa |grep sni apache-sni-configurator-2.2.22-12051419

Or this command:

    [root@test]# cat /etc/psa/psa.conf | grep SNI
    # SNI
    SNI_SUPPORT true

NOTE: Some operating Systems support SNI by default, so it will not be avaiable in Plesk autoinstaller for installation. Operating Systems that support SNI by default:

Redhat enterprise Linux 6.x and later
Fedora 10 and later
Centos 6.x SNI
Debian 6.x and later
Ubuntu 10.04 and later

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