Google Secure (httpS) sites unreachable through Proxo

[fpout]

JJoe: Yes I went through these 3 steps, but then, on step 3, when I press "Confirm Security Exception" which is ontop of "This Connection is Untrusted", I see just a green GET sent in the Log Window, and I am back on the "This Connection is Untrusted" and no answer appears on Log Window.

Anyhow, at this step, we aren't supposed to have the "This Connection is Untrusted" popping up, but the GMail login screen, as I am entering this string in the urlbar: "http://https-px-.www.google.com/accounts/ServiceLogin?service=mail&passive=true ..."

The UA string sent by Proxo is "User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1)", and works well with Firefox 8.0 & other browsers.

I experimented a lot:

----- Opera -------- (Same Proxo settings) ---------

By the way, I just remembered that I hadn't tried Opera (11.61.1250). So I did try going to my GMail account through Proxo with it.
Funnily Opera worked flawlessly, and gently brought me into my GMAil inbox. Seems to work nicely as it should. Been able to read my mails & compose a quick & dirty sample mail.

---- GreenBrowser (MSIE engine) ------ (Same Proxo settings) -------

Quick try with GreenBrowser (I recently discovered this nice, very fast, handy, ergonomic & VERY small alternative to MS Internet Explorer) : Works like a charm too.

---- Firefox 10.0.2 portable from PortableApps ----------

Fresh, just OOB, without any addon --> works OK too

Then I renamed my Firefox working folder and re-installed a new 10.0.2 one from Liberkey (my Fox is a portable version), so it was brand new and totally free from plugins/addons.
Works like a charm ...

Next step was to rename my Chrome folder et re-install a fresh copy from Liberkey. Chrome 17 oob (trough proxo) proceeds to GMail when manually provided with: "http://https-px-.mail.google.com", but still any https://*.google.com/ site ends on the red alert dead-end window. So nothing different here.

Disabling all my fox addons one by one didn't cure the issue.

Then I tried replacing the profile data files one by one, remembering there a problem with Fox in the past with a "xul" file becoming obese and degenerating. But no more xul-file by now.

The situation remained the same until I noticed "permissions.sqlite" wich was 2 048 bytes in my profile folder and 65 536 in the fresh oob profile.
Replacing mine with that fresh one did the trick.

Now I land on GMail login screen again when I enter "http://https-px-.mail.google.com", back to normal.

Oof ! The people from Mozilla should advertise about that in their "Release Notes" ...

Nevertheless, that doesn't tell us why Chrome (and it only) refuses all httpS pages through Proxo (ie: https://www.fastmail.fm/mail/).
The workaround is to prefix with "http://https-px-." but it's quite boring.
I know the urlbar history will propose it later, but it disappears when doing daily housekeeping.

If somebody has an idea ?