793193 - about:sessionrestore and about:certerror pages broken on private network

Status: RESOLVED INVALID

(Firefox :: Untriaged, defect)

Description

[e618758]

User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.4 (KHTML, like Gecko) Chrome/22.0.1229.64 Safari/537.4

Steps to reproduce:

Try to navigate to a page on our private network (not connected to the internet) that has an expired or invalid HTTPS certificate.


Actual results:

Upon navigating to a page with an invalid or out of date HTTPS certificate Firefox will just display it as an invalid URL. This issue also occurs for about:sessionrestore on occasion and any other about: pages not listed in about:about.


Expected results:

It should have displayed the corresponding about: page with the option to add an exception for the certificate.

Comment 1

[e618758]

Out of curiosity, could a about:config flag cause this to occur? Our installations of Firefox are controlled by IT and I don't believe it's a standard install because the developer tools are disabled by default.

Comment 2

[Matthias Versen [:Matti]]

The URL that is called with an Certificate Error is about:certerror

It's very likely that your IT department disabled some or all about: pages.
You can change the page for this error with about:config but you can only restore the missing functionality if calling about:certerror works.

I'm not sure if you IT department did this with a autoconfiguration script or by modifying anything else but I'm pretty sure that this is not a bug that a developer can fix in our sourcecode and therefore this report has to be marked invalid

Comment 3

[Matthias Versen [:Matti]]

I guess that they used this way : http://mike.kaply.com/2012/06/14/customizing-firefox-hiding-private-browsing-continued/

Comment 4

[e618758]

Well as a note to this, I can access all the about pages listed in about:about. Just not the ones not listed there. Would those be related to what was mentioned above?

Also the reason I filed this as a bug was twofold. One to get replies from people that might have a chance at knowing. And two, in-case Firefox wasn't configured to handle the situation where it absolutely requires an internet connection and one isn't available and it's not offline. I know a lot of things are baked into it (such as references to google.com for example).

Comment 5

[Matthias Versen [:Matti]]

The basic functionality of a browser works without a internet connection.
Only things like a Google search, Phishing protection (database update) are not working.

I can for example open about:certerror without being online. I just checked that with disabled wifi connection.