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Network Security Security-Basics
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Re: Expired certificates

Subject: Re: Expired certificates
Date: Fri, 28 Apr 2006 11:21:27 -0400
I'm not sure if anyone else can confirm it, but we have had an issue
where an expired certificate on our registration page caused the users
IE to try and validate every page with that certificate. This happened
on multiple machines. The solution was of course to clear the slate on
the machine and remove the certificate from the site. While this is more
than likely just a fluke, it is still conceivable such problems could
occur on your network.

--------------------------------------------------------------
Brooks Garrett
SWWAT Supervisor
Information Technology Services
Georgia Southern University

Phone: (912) 486-7971
EMail: bgarret1@Georgiasouthern.edu

<1tgeye@surewest.net> 4/26/2006 11:50 AM >>>
We have an IIS server with an old certificate that has expired.  We do
not use it anymore and I am arguing to remove it from the site.  Other
people are saying it doesn't hurt anything and just leave it there.

Can anyone give me a reason why an unused but expired certificate could
cause a security risk?  I would like to add that to my argument why it
should be removed.

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