Re: Possible to verify client certificate BUT ignore expiration-date?

Christopher Schultz <[email protected]> Thu, 11 Jul 2019 10:48:39 -0400
Newsgroups	gmane.network.stunnel.user
Message-ID	<[email protected]>
Eric,

(Coming back to this.)

On 5/14/19 14:41, Eric Eberhard wrote:
> Chris,
> 
> There are "real" certificates you purchase from a certificate authority and pay an annual fee.  If this is https you pretty much need that or the user gets errors.  By private I meant "self signed."
> 
> However, openssl has an option to create a certificate.  You type the name, address, whatever, and it makes a certificate.  It is JUST AS GOOD as a purchased certificate (except https or perhaps others that want certificate authority certificates).  I use them for FTP and SSH and many things .
> 
> openssl req -x509 -newkey rsa:4096 -keyout key.pem -out cert.pem -days 365
> 
> You can put your own expire date(days) when you make the cert.  A screen will come up and ask 20 questions :-)  If you cannot do it (don't have openssl installed) I can do it for you.  It certainly will work as a stop-gap.  We don't need it for https as it is Apache on a machine that is hosted.

So... everything above is exactly what we do with this vendor. We don't
have a problem getting a well-known-CA to sign the certificate. We have
(had) a problem with the vendor just getting the damned work done.

Yes, I know it is a 5-minute process but when you are dealing with a big
company where you have to have 6 managers in multiple time zones call
each other to confirm the problem, have a meeting about the solution,
determine a course of action, allocate a resource to perform the work,
QA the solution, then get an IT review of everything before placing
something into production, that 5-minute fix can take days or weeks.

I just wanted to say "I still trust this certificate, even though it has
expired."

Is that possible to do without recompiling stunnel?

Thanks,
-chris

> -----Original Message-----
> From: stunnel-users [mailto:[email protected]] On Behalf Of Christopher Schultz
> Sent: Tuesday, May 14, 2019 6:49 AM
> To: [email protected]
> Subject: Re: [stunnel-users] Possible to verify client certificate BUT ignore expiration-date?
> 
> Eric,
> 
> On 5/13/19 18:06, Eric Eberhard wrote:
>> Use openssl to make a private cert?
> 
> What is a "private cert"?
> 
> Also, I need to trust an existing certificate... If they can create a new certificate, then I can just trust the new one. I'm looking for a stop-gap measure, here.
> 
> Thanks,
> -chris
> 
>> -----Original Message-----
>> From: stunnel-users [mailto:[email protected]] On 
>> Behalf Of Christopher Schultz
>> Sent: Monday, May 13, 2019 2:28 PM
>> To: [email protected]
>> Subject: [stunnel-users] Possible to verify client certificate BUT ignore expiration-date?
>>
>> All,
>>
>> Does anyone know if it is possible to perform all other verification of a client certificate EXCEPT allow the certificate to have expired?
>>
>> We have a vendor whose certificate has expired, and we want to allow 
>> their old certificate to work while they chase their tails trying to 
>> figure out the best way to re-issue a new cert for us. *eyeroll*
>>
>> Is it possible?
>>
>> Thanks,
>> -chris
>>
>>
>>
>>
> 
> 
>

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