To elimnate the error message about an unknown certificate authority
do the following:
To install the Root Certificate for the signing authority that
WCNet uses do the following:
Go to the following web site http://www.cacert.org/index.php?id=3
While holding the control key down, click on the link
Root Certificate (PEM Format)
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Download link target ...
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and save the file root.crt
to your desktop.
While holding down the control key click on the file root.crt
and select in the popup window Open with ...
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and select
Keychain Access.
If Keychain Access in not listed, select Other and navigate to
/Applications/Utilities/Keychain Access
When Keychain Access opens, you will be given a dialog box asking where
to import the certificate. Select X509 Anchors and click on OK
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