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> some.site.example.com has a security policy called HTTP Strict Transport Security (HSTS), which means that Firefox can only connect to it securely. You can’t add an exception to visit this site. > > The issue is most likely with the website, and there is nothing you can do to resolve it. > > If you are on a corporate network or using antivirus software, you can reach out to the support teams for assistance. You can also notify the website’s administrator about the problem.

This is super frustrating. How to use Firefox for development purposes? There should be an option to add exceptions. I even went to settings and added an exception manually to no avail.

I'm going often through pain to use firefox for everything but then there must be a reasonable way to achieve the goals.

Please tell me there is a way to workaround this easily without compromising security of other sites that are being visited.

P.S. I can open same site with adding an exception on chrome.

Related question but with an answer that doesn't make sense in my case: https://support.mozilla.org/en-US/questions/1324365

Hi,

just for understanding:

Why can the Firefox source code (view-source) of a website be nearly three times the size compared with Chrome/Opera or when I save the Firefox source code marked and copied and then pasted and saved via an editor?

Example: Firefox 546,6 KiB Chrome/Opera 204,3 KiB via Editor 204,3 KiB (marked and copied Firefox source code)

Best

Peter

I can install firefox in a 20.04 ubuntu image however I can't get the sound to come out to the host. I think it is because of these messages: oot@lnx01:/# firefox libEGL warning: DRI2: failed to authenticate ATTENTION: default value of option mesa_glthread overridden by environment. [Child 8724, MediaDecoderStateMachine #1] WARNING: 7fdc1c636ee0 OpenCubeb() failed to init cubeb: file /build/firefox-kPTBHF/firefox-128.0+build2/dom/media/AudioStream.cpp:285

I am using the tainted nvidia driver on my host. Has anyone got this to work? I messed around by adding various mesa drivers to the image with no fix. Any suggestions? I am using the ppa version of firefox in the container.

Why I can't login to outlook.office.com (Microsoft 365) with passkeys when I use Firefox (newest 128) in Linux? It doesn't offer me to use passkeys to login when I go there.

I can login with passkeys in Firefox when I use Windows 11 or Google Chrome in Linux.

Can't import ".p12" certificate in Firefox in Fedora 40, it fail with the message "unknown error". I can open it with the built-in tools as well with the Gnome certificate manager. I did try as well a different certificate with the same result. Both I can import in Chromium, installed as Flatpak.

Hi,

I installed thunderbird in a new computer via flatpak. The computer is running PopOS 22.04 and the current Thunderbird version is 128.0esr.

I don't know if this happened after the last update from 127 to 128 or was like this before, but on the compose window all the menus and buttons on the top row are completeley invisible, white on white (if I hover over them, then they are slightly visible). See the first 2 images.

The main window is OK and everything is readable (see 3rd image).

I don't know how to change these colors.

Any help will be appreciated.

Using FF 115.12.0esr from openSuse 15.5. Get responses from various web sites that the browser needs an update, that it is no longer supported, etc. Some sites block me out. Another site just now reported the version of my FF is 102--so no wonder it has problems. How can I change the version number that web sites see to reflect the actual update level? Sample message: EDAS at delta for 108.51.160.90 (Wed, 10 Jul 2024 16:34:44 -0400 EDT) [User 1776561 using Linux:Firefox 102.0 0.141/0.569 s]

I'm trying to install Firefox for Chromebook using Flatpak (article https://mzl.la/3pbybGW)

But I am faced with choosing a ref. See attached image. I have no idea how to choose, or what this even means.

Can anyone provide me with guidance on this?

My device is a Google Pixelbook with the latest ChromeOS.

Thanks

Hi,

I am working on a website- one page uses websockets for data sync, activated with a button - and the socket takes a long time to actually connect (to locahost). During that time, an error pops into console- several of the same:

The connection to [url] was interrupted while the page was loading.

I found several bug reports in various places - most say to close the socket on page unload. I already have that implemented, and checking network dev tab shows all sockets are closed when the errors occur, and they also appear when tested in a whole new window. Also tested on chromium- no issues there.

Any help?

Hi

When a site sends a Web Push Notification to my browser, it flashes up at the top of the screen for 2 or 3 seconds and then is gone. Sometimes I'm busy with something else and once I see it, it's gone, or I just catch the first word or two.

How can I display the Web Push Notification again?

I'm running Firefox on Fedora Linux, if that matters.

Thanks!

Hello,

The Radar map fails, (attached) when View Radar click. I am on a TOSHIBA laptop and I do not notice any other graphics issue. I am using Firefox but other Browsers (Chrome etc) do the same. I am always up to date. There are no add-blockers enabled. I have to mention that on other machine Radar is loaded properly. I have this issue for more than 2 years at least. Can you help me with this please? Thanks!

Regards,

Brad

I have the same problem as described here [1]: when I open a markdown file in Firefox it uses itself as handler opening it in a new tab, which in turn opens it in a new tab, ... The solution suggested under [1] is how to make Firefox usable again, stopping it from open this particular markdown file. But it doesn't solve the actual problem: either Firefox is capable of rendering markdown in which case it should do it; or it's not in which case it shouldn't try. Does anyone have a thought on that?

[1] https://support.mozilla.org/de/questions/1436228

I'm using openSUSE Tumbleweed and KDE Plasma. Ever since I updated to Plasma 6.1, Firefox crashes constantly when using Wayland. I'm not having this problem if I'm using X11. Crash reports are sent after every crash so I'm sure someone can reference these. When starting Firefox from a console, I got this message after a crash: "[GFX1-]: Wayland protocol error: wp_linux_drm_syncobj_surface_v1#67: error 5: explicit sync is used, but no release point is set"

Will this get fixed with the next Firefox update? Currently using 127.0.