[389-users] Re: Question Regarding Intermediate Cert Install in RHEL/CentOS 8

On Tue, Sep 15, 2020 at 09:30:28AM +1000, William Brown wrote:
> The most likely reason for this is that a cert in the chain/path is not up to the standard expected by your client TLS library. You can check with:
>
> openssl x509 -in FILE.PEM -noout -text | grep "Signature Algorithm"
> Signature Algorithm: sha256WithRSAEncryption
>
> I think today most TLS libraries expect at least sha256 and 2048 bit certs.
>
> It's probably worth checking that all the certs from the CA, intermediates and your server cert are sha256 + 2048 bit or higher. Hope that helps,


Thanks William!
This was indeed the issue. We were using an older intermediate with
sha1. Changing that has fixed our issue.

Thanks!

Bryan
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