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Feb 14, 2017, 4:47 PM
1 Posts

SSL SHA-1 to SHA-2

  • Category: Administration
  • Platform: Windows
  • Release: 9.0.1
  • Role: Administrator
  • Tags:
  • Replies: 1

Hi,

Sorry in advance for probably a straight forward query, I would just appreciate some confirmation that I'm picking the best route.

We are currently running multiple internet sites on a single Domino server.   (Domino 8.5.3FP6 HF2336 for Windows/64)

We have both non-SSL and SSL configured (SHA-1 certs).  Understand that we have to upgrade to 9, therefore we are moving to Domino 9.0.1. x (Whatever the latest is currently) to support SHA-2.

Currently we are using the same wildcard cert for all SSL sites.  I created a Domino keyfile and merged the single externally certified wildcard cert to it. Been fine for some years.

If I wanted to move away from wildcard certs and use specific certs for each site, how many Domino keyfile's do I need on the server?   Do I need one Domino keyfile for each site or can I create one keyfile containing all the site SSL certs?

From what I can tell the CSR is generated from the information you entered in the Keyfile. If I needed a different common name (for each site) then that would drive me towards multiple keyfiles.  I'm not even sure if this is possible.  I get a warning that a keyfile already exists in the current 8.5 cert admin.

Am I missing something?  If I have 15 SSL certs, what's the best way to ensure the internet sites can use them?

Hope this makes sense.

Appreciate anyone's time. Thanks in advance.

Feb 16, 2017, 2:03 PM
33 Posts
Do note use cert admin db

Hi,

To create new keyrings please follow the instructions here:

https://www-10.lotus.com/ldd/dominowiki.nsf/dx/3rd_Party_SHA-2_with_OpenSSL_and_kyrtool

how many certificates you need depends. In short and simplified: you need a certificate for every CN/Hostname you use. So if all your 15 sites have different hostnames, you need 15 certs.

Alternatively you can use either wildcard certificates or "Subject Alternate Names -SAN" in your certificate. The later would mean one certificate per server with 14 SANs, which is quite expensive. I never used SANs in Domino, so you might want to doublecheck first.

Hope that helps,

Manuel


This forum is closed to new posts and responses. Individual names altered for privacy purposes. The information contained in this website is provided for informational purposes only and should not be construed as a forum for customer support requests. Any customer support requests should be directed to the official HCL customer support channels below:

HCL Software Customer Support Portal for U.S. Federal Government clients
HCL Software Customer Support Portal