Regenerate Self-Signed SSL Certificate - Single-Server

Regenerate Self-Signed SSL Certificate - Single-Server

   KB 21727        Last updated on 07/12/2015  




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Purpose

Regenerate the SSL certificate in a Zimbra single server environment.

Resolution

1. Begin by generating a new Certificate Authority (CA).

This step is optional and not required everytime you renew the self signed certificate.

/opt/zimbra/bin/zmcertmgr createca -new
/opt/zimbra/bin/zmcertmgr deployca

2. Then generate a certificate signed by the CA that expires in 365 days with either wildcard or subject altnames.

/opt/zimbra/bin/zmcertmgr createcrt -new -days 365

3. Next, deploy the certificate.

/opt/zimbra/bin/zmcertmgr deploycrt self 

4. To finish, verify the certificate was deployed.

/opt/zimbra/bin/zmcertmgr viewdeployedcrt
5. Restart zmcontrol to take the changes in effect.
su - zimbra zmcontrol restart

Additional Content


Verified Against: Zimbra Collaboration 8.6, 8.5, 8.0 Date Created: 02/24/2015
Article ID: https://wiki.zimbra.com/index.php?title=Regenerate_Self-Signed_SSL_Certificate_-_Single-Server Date Modified: 07/12/2015



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Wiki/KB reviewed by Gayle B Jorge Jenny Last edit by Jorge de la Cruz
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