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May. 8th, 2008

Ubuntu 8.04, Firefox 3beta5 and SSL certs

There are a lot of problems with Ubuntu 8.04 that I'm finding since installing it at work. I use a lot of security features, like SSL certificates, GPG, and user authenticated samba shares to name a few.
Firefox 3 Beta 5 (which shipped with Ubuntu 8.04) has some issues with self-signed SSL certs, especially those generated by CUPS servers. As a sys-admin, I use the web interface to CUPS regularly. FF3b5 throws sec_error_inadequate_key_usage errors with CUPS SSL certs and doesn't allow exceptions. Here's the workaround I found from https://bugzilla.mozilla.org/show_bug.cgi?id=427081#c18:

1) go to an affected page, get the error.
2) right-click, view page info, security tab, view certificate
3) details tab, export, save as .cer, close, close
4) go to preferences, advanced, encryption tab
5) view certificates, servers tab, import, select the saved .cer file
6) hit ok, close preferences
7) refresh the page with the cert error, now should be a different error
8) click "Or you can add an exception", "Add exception..."
9) get certificate, confirm security exception - now you're in
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July 2009

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