I've noticed in Mozilla Firefox if I go to 'Help' > 'Check for Updates...', the error in the following screenshot is displayed:

I've figured out that it's because I've enabled the 'Scan HTTPS (SSL) Traffic' box under 'Web Security' > 'HTTP/S' > 'Global', so I opened the live log and did a manual update check to find out the IP address/hostname from which Firefox is trying to find an update. Below is the log entry for that particular check:
2010:12:12-15:57:31 pph httpproxy[29175]: id="0001" severity="info" sys="SecureWeb" sub="http" name="http access" action="pass" method="GET" srcip="23.9.87.100" dstip="63.245.209.105" user="" statuscode="200" cached="0" profile="REF_DefaultHTTPProfile (Default Proxy)" filteraction="REF_DefaultHTTPCFFAction (Default content filter action)" size="42" time="184 ms" request="0xa31c3138" url="aus2.mozilla.org/.../update.xml
I can see that it's an HTTPS link pointing to the domain mozilla.org, so I added this as an exception under the 'Exceptions' tab. I added the hostname to pass in the following format (is this correct?):
^https?://[A-Za-z0-9.-]*mozilla.org/
I started with skipping SSL scanning only and it still displayed the above error, so one at a time I added more checks to skip until I eventually added all of them. Still Firefox failed to get a manual update and tell me whether or not there was one available. Here is the log entry from that check after adding the exceptions:
2010:12:12-16:03:15 pph httpproxy[29175]: id="0001" severity="info" sys="SecureWeb" sub="http" name="http access" action="pass" method="GET" srcip="23.9.87.100" dstip="63.245.209.105" user="" statuscode="200" cached="0" profile="REF_DefaultHTTPProfile (Default Proxy)" filteraction="REF_DefaultHTTPCFFAction (Default content filter action)" size="42" time="184 ms" request="0xaddc2070" url="aus2.mozilla.org/.../update.xml
So far the only way I can pass through the update request from Firefox is to disable SSL scanning altogether, which I would rather not do. Have I discovered a bug or is there something wrong with the exception I created in this situation?
Any help would be appreciated. Thanks.
Regards,
Jon.
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