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Did Not Connect: Potential Security Issue (SEC_ERROR_UNKNOWN_ISSUER)

Hi I have a problem with the configuration of my Firefox. (I hope it is not something more serious like a malware or a security break) Firefox version 124.0 (64bit) Os: … (read more)

Hi I have a problem with the configuration of my Firefox. (I hope it is not something more serious like a malware or a security break)

Firefox version 124.0 (64bit) Os: Windows 10 Pro (64bit) 10.0.19045 Build 19045

Step to reproduce

  1. 1. I go to: https://wwws.tesoro.es/index.aspx (website of the Spanish gov)
  2. 2. I click on the link: Cl@ve in the center of the page (that should bring me to https://pasarela.clave.gob.es/Proxy2/ServiceProvider)
  3. 3. I receive an error page "Did Not Connect: Potential Security Issue" "SEC_ERROR_UNKNOWN_ISSUER" (see the attached screenshot)

Things I tried

  • I followed the same steps on Chrome on the same machine

The website works

  • I followed the same steps on the same Firefox in Incognito mode on the same machine

The website DOESN'T work

  • I followed the same steps on a completely new Firefox profile on the same machine

The website DOESN'T work

  • I followed the same steps on Firefox on a different machine (same Firefox version, windows 11)

The website works

Asked by wheaterbelfanti.ulf.b1.40.2 4 months ago

Answered by cor-el 4 months ago

  • Solved

Thunderbird email "unable to connect" on second account, no problems on first account

Setting up a desktop (Dell Inspiron) for neighbors using latest Linux Mint (21.3 Cinnamon). They have simple needs, LibreOffice, Firefox and email. Plain jane, nothing ex… (read more)

Setting up a desktop (Dell Inspiron) for neighbors using latest Linux Mint (21.3 Cinnamon). They have simple needs, LibreOffice, Firefox and email. Plain jane, nothing extra added, straight from latest Mint install.

I am having trouble adding a second email account in Thunderbird (115.8.1). First comcast account was very easy, standard comcast defaults, works fine, downloads and sends. Second comcast account keeps giving "Unable to Connect" poput screen. (https://localhost/?code=0.ac.w2.PciwTw)

I can login to either Xfinity email account through Firefox browser using same addresses ((username)@comcast.net) and passwords I am using to attempt to add second account in Thunderbird.

Tried it with Mint Firewall off, then on, then off again. Do I need to setup firewall for second account?

Can someone give me a hint on this problem? Is is Thunderbird? Comcast? Something else?

Asked by bobstanl 4 months ago

Answered by bobstanl 4 months ago

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Account SMTP authentication method

From Sept-16-2024 Microsoft will deprecate Normal Password and require OAuth2 authentication on its email accounts accessed from Thunderbird and other clients. I'm tryin… (read more)

From Sept-16-2024 Microsoft will deprecate Normal Password and require OAuth2 authentication on its email accounts accessed from Thunderbird and other clients.

I'm trying to convert my hotmail accounts on Thunderbird to OAuth2 authentication.

Server Settings Authentication can be set to OAuth2 because OAuth2 is an option in that menu.

But SMTP Server Authentication cannot be set to OAuth2 because OAuth2 is not an option in that menu.

Both Connection Security methods ( Inbound and SMTP ), are set to STARTTLS.

See screenshots, thank you.

Asked by Foxtrot7 2 weeks ago

Answered by Foxtrot7 2 weeks ago

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Password problem

Suddenly today my Thunderbird email account on my desktop won't send or receive mails until I enter the password. When I add in the correct password it doesn't accept it … (read more)

Suddenly today my Thunderbird email account on my desktop won't send or receive mails until I enter the password. When I add in the correct password it doesn't accept it but just comes back asking for it again. I suspect it is best to change my password but don't know how to do that. Incidentally the account is working fine on my phone and tablet with the same password but not on my desktop. Can anyone help? Thanks.

Asked by Mike Gibb 5 months ago

Answered by Matt 5 months ago

  • Solved

I can't turn off SafeSearch, set on Strict by default

Bing says my browser is the one to set my SafeSearch on strict by default, but I can't find the option to turn it off. Is there even an option or is this a Bing issue? … (read more)

Bing says my browser is the one to set my SafeSearch on strict by default, but I can't find the option to turn it off. Is there even an option or is this a Bing issue?

Asked by lu 4 months ago

Answered by lu 4 months ago

  • Solved

How to disable auto form fill but keep search history

Firefox provides the option to Remember search and form history under custom settings. I want the browser to remember search history but not remember form history. Is t… (read more)

Firefox provides the option to Remember search and form history under custom settings. I want the browser to remember search history but not remember form history. Is there a way to separate these two settings?

Asked by Mark Rutz 1 month ago

Answered by cor-el 1 month ago

  • Solved

[TB] Configuring IMAP with comcast error 1014

First, I am supporting a family member, who has TB configured on two separate machines. Configuring for Comcast IMAP+SMTP, in the usual manner; nothing esoteric about tha… (read more)

First, I am supporting a family member, who has TB configured on two separate machines. Configuring for Comcast IMAP+SMTP, in the usual manner; nothing esoteric about that, all very routine.

Machine A seems to be working okay, no errors. TB up to date on this machine, connected over an ethernet wire, if that makes any difference.

Machine B, getting spam prompted over IMAP 1014 errors. No other information is provided than 1014.

I have tried dropping the account configuration hundred percent, restarting TB, re-adding the account configuration, to no avail. Still spam 1014 errors.

I did happen to notice TB needed an update, so I did that as well. Still 1014 errors.

I have also tried dropping that email saved password from the saved passwords, and responding to the subsequent re-enter password prompt. Also to no avail.

What if anything might have changed, and how can we contend with this? What is so corrupt, do we need to be mucking around in any AppData files, roaming files, etc?

We are not the only ones, apparently, to have bumped into this issue. Not sure if this is also Comcast specific, since a recent TB and/or IMAP specification change, i.e. maybe we try with a gmail account, for instance.

Wondering also, is it IMAP and/or Comcast somehow tieing Machine A to the IMAP and not releasing that association? Knowing a little bit about IMAP in this regard. And/or somehow now prohibiting Machine B+ from establishing a connection?

Asked by Michael Powell 1 month ago

Answered by Michael Powell 1 month ago

  • Solved

Thunderbird is blocking my outgoing emails

Thunderbird continues to block my outgoing emails despite my best efforts. Please check my outgoing smpt server settings (attached) and let me know what I need to change.… (read more)

Thunderbird continues to block my outgoing emails despite my best efforts. Please check my outgoing smpt server settings (attached) and let me know what I need to change. Thanks.

Asked by Bill Washburn 3 months ago

Answered by david 3 months ago

  • Solved

Need to upgrade outlook authentication method - but options do not appear

My Thunderbird Version: 115.12.2 (32 Bit) Microsoft is changing the authentication method for outlook mail to OAuth2. I follow the guide here, https://support.mozilla.o… (read more)

My Thunderbird Version: 115.12.2 (32 Bit)

Microsoft is changing the authentication method for outlook mail to OAuth2. I follow the guide here,

https://support.mozilla.org/en-US/kb/microsoft-oauth-authentication-and-thunderbird-202

And I get to this screen - but my version of the program does not have OAuth2 as an option (see attached image).

Thanks for the help.

Asked by steve.hageman 2 weeks ago

Answered by sfhowes 2 weeks ago

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  • Archived

Impossible to use an unusual port number in local URL

Hi all :) From a fresh Linux Debian Bullseye I try to connect to a local machine with Firefox (v97 64-bits) by its hostname (avahi server with default domain "local… (read more)

Hi all :)

From a fresh Linux Debian Bullseye I try to connect to a local machine with Firefox (v97 64-bits) by its hostname (avahi server with default domain "local") with the port 6180 bound to a remote web service port (61 is the distant machine IP and 80 is the forwarded port).

When I want to open this URL : http://bionic.local:6180/ FF displays "We can't find this site ... Unable to connect to server at bionic.local ... check your network connection and firewall"

BUT ping bionic.local works perfectly and resolve the good IP address from the Chromium navigator the same URL works without a problem, I can open the distant web site.

This workaround works : add a static resolution in the /etc/hosts file : 192.168.0.71 bionic bionic.local => so FF works in the expected way for now ! But as I said this a workaround and a bad solution.

I supposed too the port was blocked because I accessed an unusual port. So I tried this without success.

How the hell make that FF v97 allows me to use an unusual port ? Or is it bound to the domain "local" which is no more accepted by FF ?

Thank you in advance for your help. With adelphity, lnj

How to do

Asked by estebann 2 years ago

Answered by estebann 2 years ago

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I cannot see saved credit cards in Privacy & Security Firefox 99.01

I cannot see saved credit cards in Privacy & Security Firefox 99.01. I moved from a mac to Windows, and sync'd everything. I have no option to see saved credit card… (read more)

I cannot see saved credit cards in Privacy & Security Firefox 99.01.

I moved from a mac to Windows, and sync'd everything. I have no option to see saved credit cards in Firefox Privacy & Security.

Please help?

Asked by Neil 2 years ago

Answered by Neil 2 years ago

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  • Archived

log ins

when i pull up a log in page firefox always wants to fill in my log in name. i went to the settings page and firefox says that i have no saved log ins. how do i clear m… (read more)

when i pull up a log in page firefox always wants to fill in my log in name. i went to the settings page and firefox says that i have no saved log ins. how do i clear my log in name or stop firefox from trying to fill it in for me.

Asked by KTMOTY1 2 years ago

Answered by Dropa 2 years ago

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Pref to block/fake font-readout?

Is there a preference in about:config to fake or simply block websites from reading the font-list of my operatingsystem? I think it is pretty ridiculous anyways that webs… (read more)

Is there a preference in about:config to fake or simply block websites from reading the font-list of my operatingsystem? I think it is pretty ridiculous anyways that websites can access this information since it has nothing todo with the webbrowser visiting the site but going beyond to spy on information that i consider private.

Same question goes for audio-readout, is there a pref to fake or block?

Asked by Firefox_Beginner 2 years ago

Answered by jscher2000 - Support Volunteer 2 years ago

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Importing passwords from Chrome

Hi there. I'm in the process of switching from Chrome and I want to import my passwords. I first tried the 'import from Chrome' option - it says it's successful, but not… (read more)

Hi there. I'm in the process of switching from Chrome and I want to import my passwords.

I first tried the 'import from Chrome' option - it says it's successful, but nothing has actually been added. Same result after several attempts.

I then tried the csv route. I found out I had to change the config settings, so I did just that, but the 'import CSV' option still isn't showing even after a reset.

So now I'm at a dead end. Any bright ideas please? TIA!

FYI I'm using Firefox 99.0.1

Asked by mjwhite82 2 years ago

Answered by Terry 2 years ago

  • Solved
  • Archived

I keep having to sign in when opening Google search page

and not only that, when I click on sign in - it shows me a work email address that I rarely use - not my Firefox account / main email. I have to click NEXT then change em… (read more)

and not only that, when I click on sign in - it shows me a work email address that I rarely use - not my Firefox account / main email. I have to click NEXT then change email address from the drop down menu. I followed the setting attached. but it's still does it. I close Google tab, then go back and im signed out again! It's extremely annoying. How on earth can I fix this?

My tech info: Macbook Air Mac OS 12.2.1


Rebecca

Asked by rebknell 2 years ago

Answered by jonzn4SUSE 2 years ago

  • Solved
  • Archived

Remote contents of Old emails

If I view an old mail, and if the remote contents are no longer available in the server, then I cannot know the contents. Whatif Thunderbird downloads the contents (when … (read more)

If I view an old mail, and if the remote contents are no longer available in the server, then I cannot know the contents. Whatif Thunderbird downloads the contents (when the email is downloaded) and includes them in message itself?

Asked by Suresh Kumar Ramasamy 2 years ago

Answered by Matt 2 years ago

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  • Archived

How can I print out my saved passwords in my Firefox? I do not use Chrome, just Firefox and my laptop. No cellphone.

Hi. I need to print out my saved passwords. I have no cellphone to access, just my laptop and printer. I only use Firefox and no other browser. If my laptop gets hacke… (read more)

Hi.

I need to print out my saved passwords. I have no cellphone to access, just my laptop and printer. I only use Firefox and no other browser. If my laptop gets hacked or breaks down, then I need to use someone else's computer to access my passwords in an emergency, and can't access my passwords to do so...so printing them out periodically is the smartest thing I can think of.

Help, anyone? This is pretty important to me. Thank you!

Asked by Hashachar70 2 years ago

Answered by Hashachar70 2 years ago

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Disable User-Agent Header in email

Outgoing email includes the user-agent header. I would like to disable or modify the string for better security. User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gec… (read more)

Outgoing email includes the user-agent header. I would like to disable or modify the string for better security.

User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.8.0

Thanks...

Asked by beeblebrox-bsd 2 years ago

Answered by Matt 2 years ago

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Can Websites track my Theme?

Can websites i visit track my browsertheme for example system default or light or dark theme? I like the dark theme but i'm not using it because i fear it makes my browse… (read more)

Can websites i visit track my browsertheme for example system default or light or dark theme? I like the dark theme but i'm not using it because i fear it makes my browser much more unique, is that so? If so, is there a preference or another way to prefent websites from tracking my browser theme?

Asked by Firefox_Beginner 2 years ago

Answered by Amelia 2 years ago