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Is there a foolproof way to ensure that cookies from critical websites are never deleted? Designating a website as allowed only seems to work by laboriously removing other sites under "Manage Data". Other cookie clearing methods, including via Firefox History, do not allow for exceptions.

when using a Fido2 security key Firefox browser requests a "security pin" to continue logging on to other website. I don't recall setting a pin. How to change or delete the pin issue?

Thunderbird stopped working. I received the following message - "Add Security Exception You are about to override how Thunderbird identifies this site. Legitimate banks, stores and other public sites will not ask you to do this. Location: smtp.optusnet.com.au:25 This site attempts to identify itself with invalid inforation The certificate belongs to a different site, which could mean that someone is trying to impersonate this site

Permanently store this exception"

I have clicked on 'Confirm Security Exception" but I still can't send or receive emails.

Something about the behaviour of the browser has caught our attention.

There are various possible explanations for this:

You are browsing and clicking at a speed much faster than expected of a human being.
Something is preventing JavaScript from working on your computer.
There is a robot on the same network (IP 24.126.194.0) as you.

Any suggestions?

Semaphore.social is a mastodon/fediverse web client. I've been using it without issue up to now and it has not updated recently.

After a few hours running the CPU usage of Firefox becomes very high (25-50%) and the about:performance shows that it is due to this tab, which shows at values from 110 to 160% or thereabouts.

I haven't noticed this before updating to Firefox 134.0 so I suspect it may be a Firefox regression.

However I cannot work out what the cause is, how to fix it, or if I should file a bug on it.

Any ideas on how I can fix this?

For about a year I have, several times, tried to use a link or a pop up that doesn't work in Firefox but can be accomplished in Safari. Today, I used a credit card to pay for something on the UFT.org website. It worked. I needed to make another purchase on the same website and page but I got a message that there was an error with my credit card info. I tried again. I tried another credit card. I signed out and back in and repeated everything and still got the same message. I copied the url, went to Safari, pasted the url, entered my info and was successful in making the payment. I am using Firefox 133.0.3. What might be happening to cause these problems?

I ask a person to send me a signed email so that i can send them an encrypted email. How is this process supposed to work in thunderbird? I receive a signed email, what next? Clearly, thunderbird sees the signature but does not add the public key to the contact. This is in contradiction with [page] that states: The standard way of distributing a person's certificate is to send a digitally signed email. If you have received a signed email from your correspondent, click the email to view it. If Thunderbird considers the email's signature and the sender's certificate valid, it will automatically be imported and available when you attempt to encrypt an email to that correspondent using the S/MIME technology. If you don't have a signed email from your correspondent yet, you could ask them to send a digitally signed email to you.

Note that certificates issued by CAs may have a short validity period. Certificates are no longer usable after the validity period has expired. In that case your correspondent will have to obtain a new certificate. Once that happened they will be able to send you a new digitally signed email with a valid certificate.

Organizations that operate an LDAP server may configure their server to store S/MIME certificates. If an LDAP server is configured, Thunderbird may automatically query the LDAP server if it needs to obtain a S/MIME certificate.

To review the list of S/MIME certificates that you already have, you can use Thunderbird's Certificate Manager.

The certificate shows that it is valid, yet, clicking reply gives "key issues" which shows no key available. Similarly, if I sign an email with pgp key and send it, thunderbird sees that it is signed but tells me that i need to obtain public pgp key. So it seems that signatures and encryption are completely unusable.

The increasing volume of spam is getting annoying. If I filter spam messages they get put aside, and that doesn't hurt the spammer. What I would like is a reject option so that the spammer gets a bounced email. that will really annoy him and perhaps 'encourage' him to not spam me.

I tried to open settings because I need to change account passwords. As soon as I open settings Thunderbird crashes after showing the settings page for half a second. Latest Thunderbird version under latest windows 11 version. Anyone else has this problem? Restarting the PC (miracle cure for problems under windows) did not solve the problem. Anyone else has this? Anyone knows a solution?

I cannot access my accounts passwords, so the problem is rather worrisome and urgent.

How do I allow remote images in the Android app version of T-Bird?

I have the 'allow remote content in messages' selected in the settings in my desktop app, but I can't find any way to allow them on my phone.

Hi: Recently Firefox, latest release now, won't show the Taskbar when the cursor is moved to the bottom of the screen. I have no addons or themes installed, ie, plain vanilla Firefox. If I start Firefox in troubleshoot mode it works properly. Any help please? Thanks Donald

I'm trying to run Firefox in a vm and expose it for remote connections to access from puppeteer.

"firefox --headless --remote-debugging-port=9222 --remote-debugging-host=0.0.0.0 --remote-allow-hosts=x.x.x.x " - This is the command I'm using to launch the browser but the Firefox is listening on 127.0.0.1 only. And accepts only calls from the local machine. Despite many efforts I'm not able to make Firefox listens to my public ip or 0.0.0.0. This is the output I'm getting while launching

"*** You are running in headless mode. [GFX1-]: glxtest: Unable to open a connection to the X server WebDriver BiDi listening on ws://127.0.0.1:9222 [GFX1-]: RenderCompositorSWGL failed mapping default framebuffer, no dt"

With chrome I'm able to achieve the above use case. Chrome listens on 0.0.0.0 when adding the --remote-debugging-address "google-chrome --no-sandbox --headless --remote-debugging-port=9222 --remote-debugging-address=0.0.0.0".

I have limited control over the vm so I can't use ssh tunnel as well. Are there any solutions available to make Firefox listens to the public IP like chrome?