certificate problem in mozilla firefox

So I have a problem when accessing one of the server
only have this:

Technical Details
uses an invalid security certificate.
The certificate is not trusted because it is self-signed.
The certificate is only valid for
The certificate expired on 25/12/2009 12:24 PM. The current time is 3/4/2012 11:16 AM.


but don't have this:

I Understand the Risks
so cannot do the settings (cannot find either in Tools>Options)

Solutions:


try to open this site
https://www.ultimatix.net/

do the settings to the using the setting that appear when we open this site.

under I Understand the Risks
click Add Exception button.

change the location in the textbox to your destination URL, then click Get Certificate,

click Confirm Security Exception


try to open your URL once again.. :)