Mar 23 2009
manage SSL certificate expiration with ssl-cert-check
Digital certificates have become an essential part of
Internet commerce, and are widely used to verify the identity
of clients and servers. All digital certificates contain an
expiration date which most client and server applications will
check before using the certificates contents. If a client or
server application detects that a certificate has expired, one
or more implementation specific actions (e.g., abort
connection, check or update a revocation list, alert user,
etc.) are typically performed.
When a web browser encounters an expired certificate, the
browser will normally present the user with a warning message
indicating that the certificate has expired. Some browsers will
continue connecting to the site after presenting the user with
the warning, while others will prompt the user with a dialog
box requesting their approval to proceed. These warnings are
extremely confusing for the typical web user, and cause most
users to question the authenticity of the site they are
attempting to view.
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