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Install a certificate for Kerio Webstar 5

1- Preparation

Get the X509 format file (text) and place it on your server, in the same repertory than your private key (/Applications/Kerio WebStar/SSL Tools/ServerCerts/).

Since summer 2010, all certificates delivered by Certification Authorities are chained. You can import all the elements in Webstar through PEM format. To do so,
1) go on your certificate status page, click the "see the certificate" button, and download or copy/paste your certificate.
2) click the link "see the certification chain" to download the certification chain corresponding to your certificate;
3) Finally, create a file holding all those elements (PEM format):


-----BEGIN CERTIFICATE-----
here your certificate
-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
here the first certificate of the chain
-----BEGIN CERTIFICATE-----
-----BEGIN CERTIFICATE-----
here the second certificate of the chain
-----BEGIN CERTIFICATE-----
-----BEGIN CERTIFICATE-----
here the root certificate (list of our root certificates) 
-----BEGIN CERTIFICATE-----

N.B.: On some versions of Webstar, you need to include in your PEM file the root certificate associated to the certification chain (intermediate certificates) .

2- Importation

  1. Launch the Webstar Admin Client and click "SSL Configuration".
  2. click the button "New"
  3. Enter the name of the private key and the password (defined during the key generation).
  4. Select the private key file in the list.
  5. Select the certificate file (the one you placed during the preparation process above)
  6. Under "Cipher" select the "simple" mode.
  7. Click "SAVE"

3- Activation

  1. Launch the Webstar Admin Client and click "Web Connections" under "Web Server".
  2. Click "New" and select "All" under "IP Addresses" or specify an e-mail address manually.
  3. Concerning the port, indicate 443.
  4. For the SSL configuration, select your certificate in the list.
  5. Click "SAVE"