Showing questions tagged: Show all questions

PR_END_OF_FILE_ERROR on certains websites

Well i0ve been reading lot of thread that describes this error, and none of them have a clear solution, so, im navigating normally on firefox while i work and suddenly if… (read more)

Well i0ve been reading lot of thread that describes this error, and none of them have a clear solution, so, im navigating normally on firefox while i work and suddenly if i need to download something from shutter it throws me this error, sometimes when im on slack the files that are being uploadded doesnt show and if i try to upload it doesnt work... recently i tried to change my profile, using firefox on another pc in the exact moment as the error show up, and also downgrading the about_config security level, i tried enabling DNS over HTTP and nothing worked, apparently ewhen i close and restart firefox it works, but it will continue showing up randomly and its kinda frustatring, it also happens on edge at the same time but on chrome it works... and i REALLY dont want to change from firefox to another browser... i really love this....

Asked by Dalla Daniel 2 days ago

Last reply by Dalla Daniel 18 hours ago

SSL problem with Firefox; no problem with Safari or Chrome

I have a website development system with SSL enabled for testing. The certificate is self-signed but expired. I added a new self-signed certificate. When I load a develop… (read more)

I have a website development system with SSL enabled for testing. The certificate is self-signed but expired. I added a new self-signed certificate. When I load a development website, Firefox issues a Warning: Potential Security Risk Ahead. When I click Advanced, the error is SSL_ERROR_BAD_CERT_DOMAIN, with additional information that the certificate has expired. Clicking Accept Risk and Continue loads an ISP website with network details of attached devices. I have repeatedly cleared Firefox cached and saved data by clearing recent history, followed by clearing everything for all the check boxes on the page. I have examined the certificates in the security settings, view certificates. The expired certificate is listed. After deleting the expired certificate from the list, and loading the development website again, results in the same problem all over again.

I have no problem with Safari or Chrome browsers, only Firefox. Firefox 76.0.1, Mac OS 10.14.6. MAMP based development system, version 5.7 using Apache.

How can I delete the expired certificate so it stays deleted, and make Firefox use the new certificate?

Asked by daphilli 1 week ago

Last Firefox Update messed up my own Security Certificates, and now I cannot access my Bank!

Just tried to access my companies Homebanking website, and realized Firefoz didn't ask for my Security Certificate no more, therefore the Homebanking site will not allow … (read more)

Just tried to access my companies Homebanking website, and realized Firefoz didn't ask for my Security Certificate no more, therefore the Homebanking site will not allow me to perform any actions!

Can you help?

Mozilla: Why do you do such upgrades without making sure they will not disturb people's life?!?

Asked by eloi1 1 week ago

cannot make Firefox load client cert from MacOS keychain

I am trying to get Firefox to load client certificates from a user's MacOS login keychain to support Mutual TLS. According to this Mozilla Security blog post I *should* b… (read more)

I am trying to get Firefox to load client certificates from a user's MacOS login keychain to support Mutual TLS. According to this Mozilla Security blog post I *should* be able to set 'security.osclientcerts.autoload' to 'true' in Firefox 75 or later, but I have not been able to make this work.

I am testing this on MacOS 10.15.5 Beta, with Firefox 76.0.1 (64-bit). I have imported a client certificate into my user's login keychain, and have confirmed that I can access a website that requires client certificates using Safari and that certificate.

I have set 'security.osclientcerts.autoload' to 'true' in my browser's configuration preferences, but when I attempt to browse to the website the connection fails with 'SSL_ERROR_HANDSHAKE_FAILURE_ALERT'. I have also tried creating a 'user.js' preferences file, but it did not help:

% cat user.js user_pref("security.default_personal_cert", "Select Automatically");

I very much need to make this work, and would appreciate any information about other configuration steps I need to take, or things I have missed.

Asked by Scott 2 weeks ago

Last reply by Scott 1 week ago

Trojan

Malwarebytes is telling me a Trojan is there when i open and try to use "My Animals Asia" website>>>Secure Connection Failed An error occurred during a connectio… (read more)

Malwarebytes is telling me a Trojan is there when i open and try to use "My Animals Asia" website>>>Secure Connection Failed

An error occurred during a connection to help.animalsasia.org. SSL received a record that exceeded the maximum permissible length.

Error code: SSL_ERROR_RX_RECORD_TOO_LONG

   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…My Firefox is version 76 on Windows 10. Could you help please?

Asked by Terry 2 weeks ago

Last reply by Terry 2 weeks ago

Webpage errors out with "Error SSL_ERROR_RX_RECORD_TOO_LONG", but works in Private Browsing?

A webpage on our internal company domain ("") errors out with "Error SSL_ERROR_RX_RECORD_TOO_LONG". If I switch to private browsing the same page works. The page also wor… (read more)

A webpage on our internal company domain ("") errors out with "Error SSL_ERROR_RX_RECORD_TOO_LONG". If I switch to private browsing the same page works. The page also works with all other browsers without issue. If I "reset firefox", the page starts working again - even after firefox sync has re-installed all my add-ons. After some indeterminate amount of time (weeks) the page starts to error out again. This problem occurs on Firefox 75 on Ubuntu 18.04 as of now.

I'm at a total loss as to how to even begin to debug this - any pointers on where to start looking? As I mentioned the webpage that errors out the only page on an intranet so I cannot share the URL.

Asked by kabhijit 4 weeks ago

Last reply by FredMcD 2 weeks ago

Why does FF, since update 59, always freeze

Why does FF, since update 59, always freeze when I am trying to save web pages? Most times the download fails and I have to retry until it works. I can't use the bro… (read more)

Why does FF, since update 59, always freeze when I am trying to save web pages? Most times the download fails and I have to retry until it works. I can't use the browser until the download is complete. Sometimes the download is not the same as the web page. Looks totally different like a word document,

Asked by toniwalker10 2 months ago

Last reply by toniwalker10 2 weeks ago

HTTP Error 404. The requested resource is not found.

Hi there, We have a weird problem with firefox only (not this problem with other web browser like Chrome, Ie or Edge). The problem is that we cannot browse this website … (read more)

Hi there,

We have a weird problem with firefox only (not this problem with other web browser like Chrome, Ie or Edge). The problem is that we cannot browse this website at the same time. No problem to browse one website, but going on the seconde one and you will get on 404 error.

Not Found ________________________________________ HTTP Error 404. The requested resource is not found.

Same error for 3 others.

Just waiting few minutes (at least 5min), refresh the second website, it’s working coming back on the first tab (with the first website), refresh and you get the error 404.

This problem occurs only when we are using IPV6 connexion on an HTTPS websites (only on some of ours web sites (https://www.ticpharma.com/home.php, https://www.techopital.com/ https://www.gerontonews.com, https://www.ticsante.com/home.php and https://www.apminternational.fr/). These 5 website sharing the same SSL certificats. It’s a multi domain SSL certificats provide by Gandi.net.

No problem when we use the Firefox PRIVATE windows. No problem when we browse theses websites in http and IPV6. No problem when we browse theses websites in httpS and IPV4. No problem with other browser in httpS and IPV6.

So only problem with Firefox, in IPV6 and HPPS. This problem occurs on multiple computers, with diffrent Anti-Virus, from different location, for different network and ISP provider. So I guess there is a bug somewhere in firefox.

Thanks for your help. Regards.

Asked by Seb. D 1 month ago

Last reply by Roland Tanglao 3 weeks ago

Stop addons being disabled when PC has the wrong date

Hello, whenever I change the date on my PC ( which I do several times per week for experiments), all my addons get disabled, as the browser decides they are unsigned (as … (read more)

Hello, whenever I change the date on my PC ( which I do several times per week for experiments), all my addons get disabled, as the browser decides they are unsigned (as visible in the screenshot)

And there is no way to re-enable them - I have to search for them again, go to the download site, and download them again. Yet the browser knows perfectly well that the date is wrong - so it should not be very hard to stop him from disabling addons during a period of wrong date.

Furthermore - there should be an option to re-check the validity of (all) addons which were disabled with 1 click, without having to re-download them.

Asked by b.gyulmezov 4 weeks ago

Last reply by cor-el 4 weeks ago

An error occurred during a connection to home.packagesear.ch. SSL received a record that exceeded the maximum permissible length. Error code: SSL_ERROR_RX_RECO

This is the message that I receive when I click on the Firefox icon: Secure Connection Failed An error occurred during a connection to home.packagesear.ch. SSL received a… (read more)

This is the message that I receive when I click on the Firefox icon:

Secure Connection Failed

An error occurred during a connection to home.packagesear.ch. SSL received a record that exceeded the maximum permissible length.

Error code: SSL_ERROR_RX_RECORD_TOO_LONG

   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.

Asked by espina7 1 month ago

Last reply by FredMcD 1 month ago

  • Solved

Browser does not load "https://overdrive.in". Gives error.

This used to load without issues until a couple of months ago. Now it does not. It has been a while since i visited the website but Other browsers are perfectly able to o… (read more)

This used to load without issues until a couple of months ago. Now it does not. It has been a while since i visited the website but Other browsers are perfectly able to open it now. - Cleared history and cache and cookies. - Check for the ipv6, DNS prefetch and No proxy fixes in firefox. - No malware found via BItdefender, Panda Cloud and Malwarebytes.

It specifically fails to load with the following error code: An error occurred while processing your request. Reference #97.15e51cb8.1587195116.5338f60

Any pointers ?

Asked by rocker.manoranjan 1 month ago

Answered by rocker.manoranjan 1 month ago

My SSL-secured website gets warning "connection not secure" when I access the site by IP:443

When I access my own development website by domain name (with SSL signed by Digicert), it's fine, I see the lock symbol in FF. When I access it by typing https://[IP addr… (read more)

When I access my own development website by domain name (with SSL signed by Digicert), it's fine, I see the lock symbol in FF. When I access it by typing https://[IP address]:443 , I get the "not secure" warning. The IP address has a valid reverse DNS that points to the domain name, which in turn has the valid SSL cert. The domain's A Record also points back to the same IP address. I'm curious why does Firefox do this, and is there anything I can do in my DNS settings to remove the warning for other users -- without changing FF settings? Thanks.

Asked by DavidG 1 month ago

Last reply by jscher2000 1 month ago

  • Solved

MY OBSOLETE EMAC OS 10.3.9 WILL NO LONGER CONNECT TO THE NET. CAN THIS BE REMEDIED?

My ageing eMac is used almost exclusively for word processing and spreadsheets, however there are occasions when I try to connect to the net. I now get an error mesage … (read more)

My ageing eMac is used almost exclusively for word processing and spreadsheets, however there are occasions when I try to connect to the net. I now get an error mesage which says

                               " Alert
               Firefox can't connect securely to start.mozilla.org
               bacause the site uses a security protocol which isn't enabled."

Can this be remedied or do I just throw my ageing iMac away?

Asked by Nigel Follett 1 month ago

Answered by cor-el 1 month ago

MacOS Catalina - setting security.enterprise_roots.enabled to true - Doesn't work as expected

When a user, on a MacOS Catalina, sets the security.enterprise_roots.enabled to true in Firefox, the certificates are not read from MacOS keychain store. The method used … (read more)

When a user, on a MacOS Catalina, sets the security.enterprise_roots.enabled to true in Firefox, the certificates are not read from MacOS keychain store.

The method used to set the parameter to true:

Use Firefox on MacOS Catalina, type 'about:config' in the address bar. If prompted, accept any warnings. Right-click to create a new boolean value, and enter 'security.enterprise_roots.enabled' as the Name Set the value to 'true'

What is your recommendation to bypass this problem without manually importing the certificates in the FF certificates authorities ? The goal is to read the certificates from the system store. This parameter works perfectly on MacOS Mojave & Windows.

Asked by Firefoxer 1 month ago

Last reply by Mike Kaply 1 month ago

Browsers on my mac are viewing old SSL certificates and won't open new site

My website bucksccc.org.uk, was recently moved to a new host, DNS changed and SSL certificates renewed. The new site works wonderfully on everyones Macs, PCs, Tablets, ph… (read more)

My website bucksccc.org.uk, was recently moved to a new host, DNS changed and SSL certificates renewed. The new site works wonderfully on everyones Macs, PCs, Tablets, phones etc all over the globe. But not my Mac. When I type in the URL ALL browsers say the site is insecure and they will not open it. When I look at the SSL certificate that is being rejected, it is the old one from the old host. On my mac I also have Windows 10. The site opens fine on there and the certificate is correct. It is something on my Mac that is obviously causing this. I have refreshed Firefox, rebooted, cleaned cache, flushed DNS cache, etc, etc, but still have not found a fix.

Thanks

Frank

Asked by FrankRussell 1 month ago

  • Solved

Many sites not loading due to PR_END_OF_FILE_ERROR

For some time now - two or three weeks - I experience R_END_OF_FILE_ERROR on many websites. It is only under Firefox. And not on all sites. One example is coronavirus.bg.… (read more)

For some time now - two or three weeks - I experience R_END_OF_FILE_ERROR on many websites. It is only under Firefox. And not on all sites. One example is coronavirus.bg. I can't open it under Firefox. I use Firefox v.75 on Windows 7. I tried:

  • checking TLS settings - screenshot attached. Seems fine.
  • clearing the cache; didn't help.
  • turning network.dns.disableIPv6 to 'true'; didn't help.
  • turning network.dns.disablePrefetch to 'true'; didn't help.
  • restarting Firefox with add-ons disabled; didn't help.
  • scanning for malware; Malwarebytes didn't find any.

I am also attaching my browser test results from ssllabs.com.

I honestly don't know what to do and what is the issue. Please advise.

Asked by radi.stoyanov 1 month ago

Answered by radi.stoyanov 1 month ago

How to configure machine trust store for both client and server certificate?

We are using firefox as default browser. We have an application which require user authentication. Here we are trying to authenticate our user using client certificate wh… (read more)

We are using firefox as default browser. We have an application which require user authentication. Here we are trying to authenticate our user using client certificate which is already installed on windows user trust store in Personal and a self signed root certificate in Trusted Authorities. Firefox is not able to give popup to select a client certificate.

I also tried https://support.mozilla.org/en-US/kb/how-disable-enterprise-roots-preference but no luck.

Asked by Harish Kumar 1 month ago

connection reported secure and insecure at the same time

On a particular website, I click the lock in the address bar to see if the connection is secure. It is reported secure, see first image, it also says which CA verified th… (read more)

On a particular website, I click the lock in the address bar to see if the connection is secure. It is reported secure, see first image, it also says which CA verified the certificate. All seems well but if I click on more information, i get what is shown on the second image, firefox suddenly reports that the site is not encrypted. The website runs on IIS. This happens with both internal CA issued certificate (the ca is imported into firefox as trustworthy root) as well as with letsencrypt issued certificate. Neither internet explorer nor chrome find any anomalies and report the site as trustworthy and all certificates in order. Why is this happening and what is the cause? (i have another server at the same site running also IIS with exchange where the certificate shows correctly in firefox)

Asked by leosenko 1 month ago

Last reply by cor-el 1 month ago