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computing:certificate [2009/12/30 11:18]
lessem
computing:certificate [2015/06/01 12:57]
lessem removed
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 The [[http://en.wikipedia.org/wiki/Certificate_authority|certificate authority]](CA) which issued IBG's website certificate has had their own certificate expire.  They have issued a new certificate, but the new certificate is not yet incorporated into many web browsers.  Web browsers that do not have the new certificate will show a security warning.  To avoid this warning the new CA certificate must be installed in your browser. The [[http://en.wikipedia.org/wiki/Certificate_authority|certificate authority]](CA) which issued IBG's website certificate has had their own certificate expire.  They have issued a new certificate, but the new certificate is not yet incorporated into many web browsers.  Web browsers that do not have the new certificate will show a security warning.  To avoid this warning the new CA certificate must be installed in your browser.
  
-Detailed instructions for updating the certificate will be provided soon. 
  
 ===== Certificate Installation Instructions ===== ===== Certificate Installation Instructions =====
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 Or, [[http://certs.ipsca.com/store/ipsCAGlobal.crt|click here to install the certificate directly from their page]]. Or, [[http://certs.ipsca.com/store/ipsCAGlobal.crt|click here to install the certificate directly from their page]].
 +
 +That will bring up a dialog box.  Check the box for ''Trust this CA to identify web sites'' and then click ''OK''.
 +
 +{{ :computing:firefox-authorize.png |check the box for "Trust this CA to identify web sites."}}
  
 ==== Thunderbird ==== ==== Thunderbird ====
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 Windows 7 and Windows Vista normally will [[http://technet.microsoft.com/en-us/library/cc749331%28WS.10%29.aspx|automatically download updated certificates]] with no necessary user interaction. Windows 7 and Windows Vista normally will [[http://technet.microsoft.com/en-us/library/cc749331%28WS.10%29.aspx|automatically download updated certificates]] with no necessary user interaction.
 +
 +==== Mac OS X and applications (Safari and Mail.app) ====
 +
 +To add the CAcert Root Certificate to Apple Safari, use the Keychain Access application which is shipped with Mac OS X.
 +
 +To install the certificate system-wide, you need to follow these steps:
 +
 +   - Download the [[http://certs.ipsca.com/store/ipsCAGlobal.crt|updated certificate]] and save it someplace convenient.
 +   - Double click on the ''ipsCAGlobal.crt'' file. The Keychain Access application will be launched
 +   - Select ''System'' from the ''Keychain'' dropdownlist and press ''OK''.
 +   - You will be asked to authenticate yourself.
 +   - Click ''Always Trust''
 +   - You will then have to authenticate yourself again.
 +
 +==== Google Chrome ====
 +
 +Google Chrome uses the native operating system to handle certificates.  Follow the instructions to make sure that [[:computing:certificate#microsoft_products_internet_explorer_outlook_etc|Microsoft Windows]] or [[:computing:certificate#mac_os_x_and_applications_safari_and_mail.app|Mac OS X]] has the new certificate.  However, in the version of Google Chrome release version available as of this writing (3.0.195.38) there is a bug which requires clearing the cache to properly validate the new certificate if the website was visited while the old certificate was in place.
 +
 +If you visit the [[https://ibg.colorado.edu|IBG secure website]] and there are no errors or warnings, then nothing else needs to be done.
 +
 +If after updating your operating system the Chrome address bar shows a red ''https:'' with a line through it, then follow these steps to force Chrome to reload the certificate.
 +  - Click the wrench in the top right corner
 +  - Click ''Clear browser data''
 +  - Make sure **only** ''Empty the cache'' is selected
 +  - Change the ''Clear data from this period:'' to ''Everything''
 +  - Click ''Clear browsing data''
 +  - Click the wrench again
 +  - Select ''Options''
 +  - Select the ''Under the hood'' tab
 +  - Scroll to the bottom and un-check the ''Check for server certificate revocation'' box
 +  - Click ''Close''
 +  - Exit Chrome
 +  - Launch Chrome
 +  - Click the wrench again
 +  - Select ''Options''
 +  - Select the ''Under the hood'' tab
 +  - Scroll to the bottom and re-check the ''Check for server certificate revocation'' box
 +  - Click ''Close''
 +