RE: TN5250 SSL Client Authentication

["Sean Porterfield" <sporter@xxxxxxxxxxxx>]

> Normally in SSL applications, certificates are verified by checking to see
> who "signed" them.  If the certificate authority who signed the
> certificate is trusted by the application, it will allow the certificate.

That makes sense, and matches the results I got.


> If someone leaves the company, they can still connect, it's true.
> They'll get a sign-on screen.   But, if you disable their user profile,
> how will they log in?

The concern is that they might guess someone's password.  Of course all
users use good passwords, change them frequently, and never reuse them.  No,
wait, that was another universe!  ;)


> you can extend the security of your system using a "Telnet Device
> Initialization Exit Program".  In that program, you can write code that
> examines the certificate that they've presented.  I see no reason why you
> couldn't write code to check if they're still an active user, and if not,
> deny access.

Aha!  I think we have a winner!  I really wanted it tied to the user profile
to begin with.  I was thinking a CRL was my only option.  Thank you, Scott,
this may be exactly what I need to solve the problem.