Firefox 社群討論區

Why are you closing the baked-in cert expiration support thread two days before it happens? Wouldn't it make a whole ton more sense to leave it open during the actual problem period?

https://support.mozilla.org/en-US/questions/1468274

Firefox is giving me an error on https://stemgateway.nasa.gov but the site is perfectly accessible using MS Edge and using Firefox on another computer. I uninstalled and reinstalled Firefox, changed the proxy settings to not use a proxy, tested a VPN, and changed DNS servers. Below is a picture of the error and of the certificate which seems to be present in Firefox already.

I am getting the below message when trying to log into the EFTPS site. I have never had this issue before.

Did Not Connect: Potential Security Issue

Firefox detected a potential security threat and did not continue to www.eftps.gov because this website requires a secure connection.

What can you do about it?

www.eftps.gov 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.

Learn more…

Hello I have reinstalled my firefox on a new reinstall of windows 10 as my older version 10 crashed and went to the wall. however I have all my tabs and fafourites up and running but when i try and download my paid version of Nord VPN firefox comes back and says its not secure and wont load the website ? this has been working for me in the past. any advise would be greatfully accepted. thank you.

Subject: Urgent Assistance Needed with Certificate Installation

Dear Team,

I hope this message finds you well. I am in urgent need of assistance regarding a Linux-based system where we have the Firefox browser installed. I need to establish a secure connection with one of my servers, which requires the installation of a certificate.

However, I am unable to locate the certificate export button in the certificate view or anywhere else in the browser. I have tried several methods without success.

Could you please help me with this issue as soon as possible? Your guidance would be greatly appreciated.

Thank you very much!

Best regards, Kishor

I cannot get past the secure connection failed! I have cleared cookies, cache, etc. I have turned off the firewall, and restarted my computer more times that I can count....

Secure Connection Failed

An error occurred during a connection to identity.att.com. SSL_ERROR_HANDSHAKE_FAILED

Error code: SSL_ERROR_HANDSHAKE_FAILED

   The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
   Please contact the website owners to inform them of this problem.

How long before Nightly download site is available again?

https://download.mozilla.org/?product=firefox-nightly-latest-ssl&os=linux64&lang=en-US returns:

Did Not Connect: Potential Security Issue

Nightly detected a potential security threat and did not continue to download.mozilla.org because this website requires a secure connection.

What can you do about it?

download.mozilla.org has a security policy called HTTP Strict Transport Security (HSTS), which means that Nightly 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. You can notify the website’s administrator about the problem.

Learn more… Websites prove their identity via certificates. Nightly does not trust this site because it uses a certificate that is not valid for download.mozilla.org. The certificate is only valid for the following names: *.bbcollab.cloud, bbcollab.cloud

Error code: SSL_ERROR_BAD_CERT_DOMAIN

Hi,

I saw some forums and even google is blocked and i have this problems. I paste here the problem but my browser is en french:

'Connexion bloquée : problème de sécurité potentiel

Firefox a détecté une menace potentielle de sécurité et a interrompu le chargement de pasarela.clave.gob.es, car ce site web nécessite une connexion sécurisée.

Que pouvez-vous faire ?

pasarela.clave.gob.es a recours à une stratégie de sécurité HTTP Strict Transport Security (HSTS), une connexion sécurisée est obligatoire pour y accéder. Vous ne pouvez pas ajouter d’exception pour visiter ce site.

Le problème vient probablement du site web, donc vous ne pouvez pas y remédier.

Si vous naviguez sur un réseau d’entreprise ou si vous utilisez un antivirus, vous pouvez contacter les équipes d’assistance pour obtenir de l’aide. Vous pouvez également signaler le problème aux personnes qui administrent le site web.'

Any ideas ? how is possible that this website is giving me error? is a government one. Is something wrong with the certificate ?

https://pasarela.clave.gob.es/Proxy2/ServiceProvider

L’autorité de délivrance du certificat du pair n’est pas reconnue.

HTTP Strict Transport Security : false HTTP Public Key Pinning : false

Chaîne de certificat :

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hey so i spent weeks on surveys , nearly done , survey mart was working well day half of the day until after one survey i received a message saying 'Your connection is not private' Attackers might be trying to steal info, i earsed history and password and logged back in but site opens but cannot continue with surveys , what may be the problem? Is it your site in general and are you guys working on it or can you see to it right now as i would like to continue and know that i did not just waste days away on this, PLEASE HELP!!!

I am new to firefox customization. I need help to understand, how firefox picks up CA certificates from the global ca-certificates path in ubuntu and uses them in their own cert9.db

Currently, what I am trying is, If I have a rootCA certificate (which I generated using openssl), I want to keep it in a specific path, such that when firefox launches, it picks up that certificate and uses it. How can i achieve it.

I have tried using the policies.json, which works. But are there any other ways to achieve it?

What can you do about it?

inbox.lv 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. You can notify the website’s administrator about the problem.

I'm using firefox in my company's intranet, it needn't to check whether the website is secure or not. So this warning is so annoying.

I want to turn it off, but how? The instructions I searched on the Internet are out of date.

The browser version is 137.0

So I'm trying to access Greenfly but I'm getting this error message: SEC_ERROR_REVOKED_CERTIFICATE.

Please see attached image as all checks are good for the credentials. I've tried erasing cookies but no luck.

Any other options?

Firefox Nightly | 138.0a1 (2025-03-10) (aarch64) MacBook Pro | M2 2022 | Sequoia 15.3.1

Please help me purchase a NM Gift Certificate for my daughter Caroline Campbell. She has an account with you but I do not and I'm overwhelmed by the process. Lisa Nichol [edited email from community support forum]

Website https://www.sparda-bank-hamburg.de is not funktioning anymore after Firefox-update to 134.01, even after deactivation of Firefox´optimised tracking-shelter for this website. Login and Logout on this website is no more possible. I cannot us the opened Cookie-mask for this website anymore. Could you, please, assist to find a solution. Best regards Erich Fülling

I have written so many times about this issue.

Secure Connection Failed

An error occurred during a connection to www.google.com. PR_CONNECT_RESET_ERROR

Error code: PR_CONNECT_RESET_ERROR

   The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
   Please contact the website owners to inform them of this problem.

Learn more…

FIREFOX is becoming the worst program on my computer!

Dear all, can you please help? I am trying to login to my bank First Direct. When clicking on First Direct bookmark I receive a error message.

Secure Connection Failed

An error occurred during a connection to www.firstdirect.com. SSL received a record that exceeded the maximum permissible length.

Error code: SSL_ERROR_RX_RECORD_TOO_LONG

Will someone help me get over this? My contact email [edited email and phone# from community support forum] & on WhatsApp. Thanks Albert

Just stop sending useless warnings about Australian Government Websites. The BOM (Bureau of Meteorology) provides weather information on request. It is a free service and does not require a subscription.