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google.com is not available when it is available on other browsers using same proxy.

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Hello,

I'm using version 60.7.2esr in an enterprise context behind a proxy.

And I have the following issue : after some time using firefox, https://www.google.com becomes unreachable.

But this website is available from edge or chrome. All these other browsers are using the same enterprise proxy with the same configuration.

I checked the network tab : there is no even a header sent apparently, hinting there is an issue before even getting to send a header.

Hence I imagined it could be a firefox DNS cache issue.

I deactivated it by modifying the user.js as I cannot modify it in about:preferences user_pref("network.dns.disablePrefetch","true") user_pref("network.dnsCacheExpiration",0)

But that didn't change the issue.

Do you have any suggestion on how to find what is going on? or a possible culprit?

Hello, I'm using version 60.7.2esr in an enterprise context behind a proxy. And I have the following issue : after some time using firefox, https://www.google.com becomes unreachable. But this website is available from edge or chrome. All these other browsers are using the same enterprise proxy with the same configuration. I checked the network tab : there is no even a header sent apparently, hinting there is an issue before even getting to send a header. Hence I imagined it could be a firefox DNS cache issue. I deactivated it by modifying the user.js as I cannot modify it in about:preferences user_pref("network.dns.disablePrefetch","true") user_pref("network.dnsCacheExpiration",0) But that didn't change the issue. Do you have any suggestion on how to find what is going on? or a possible culprit?
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Mehr Details zum System

Installierte Plugins

  • Shockwave Flash 32.0 r0

Anwendung

  • User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Firefox/60.0

Weitere Informationen

FredMcD
  • Top 10 Contributor
4269 Lösungen 59846 Antworten
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Please explain the problem in detail. What happens? What are the exact error message(s) ?


Many site issues can be caused by corrupt cookies or cache.

Warning ! ! This will log you out of sites you're logged in to. You may also lose any settings for that website.

If there is still a problem, Start Firefox in Safe Mode {web link} by holding down the <Shift> (Mac=Options) key, and then starting Firefox.

A small dialog should appear. Click Start In Safe Mode (not Refresh). Did this help?

While you are in safe mode;

Try disabling graphics hardware acceleration in Firefox. Since this feature was added to Firefox it has gradually improved but there are still a few glitches.

How to disable Hardware Acceleration {web link}

Please explain the problem in detail. What happens? What are the exact error message(s) ? ------------ Many site issues can be caused by corrupt cookies or cache. '''Warning ! ! ''' This will log you out of sites you're logged in to. You may also lose any settings for that website. * [https://support.mozilla.org/en-US/kb/delete-cookies-remove-info-websites-stored Delete cookies to remove the information websites have stored on your computer] {web link} * [https://support.mozilla.org/en-US/kb/how-clear-firefox-cache How to clear the Firefox cache] {web link} If there is still a problem, '''[https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode Start Firefox in Safe Mode]''' {web link} by holding down the '''<Shift> ''(Mac=Options)''''' key, and then starting Firefox. A small dialog should appear. Click '''Start In Safe Mode''' (not Refresh). Did this help? While you are in safe mode; Try disabling graphics hardware acceleration in Firefox. Since this feature was added to Firefox it has gradually improved but there are still a few glitches. ''[https://support.mozilla.org/en-US/kb/forum-response-disable-hardware-acceleration How to disable Hardware Acceleration]'' {web link}
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cor-el
  • Top 10 Contributor
  • Moderator
17571 Lösungen 158915 Antworten
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You can try the DNS lookup tool on the about:networking page.


You can do a malware check with several malware scanning programs on the Windows computer.

Please scan with all programs because each program detects different malware. All these programs have free versions.

Make sure you update each program to get the latest version of their databases before doing a scan.

You can also do a check for a rootkit infection with TDSSKiller.


https://support.kaspersky.com/viruses/utility

You can try the DNS lookup tool on the about:networking page. ---- You can do a malware check with several malware scanning programs on the Windows computer. *https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-caused-malware Please scan with all programs because each program detects different malware. All these programs have free versions. Make sure you update each program to get the latest version of their databases before doing a scan. *Malwarebytes' Anti-Malware:<br>https://www.malwarebytes.com/ *AdwCleaner:<br>https://www.bleepingcomputer.com/download/adwcleaner/<br>https://www.softpedia.com/get/Antivirus/Removal-Tools/AdwCleaner.shtml *SuperAntispyware:<br>https://www.superantispyware.com/ *Microsoft Safety Scanner:<br>https://www.microsoft.com/security/scanner/en-us/default.aspx *Windows Defender:<br>https://windows.microsoft.com/en-us/windows/using-defender *Spybot Search & Destroy:<br>https://www.safer-networking.org/en/index.html *Kasperky Free Security Scan:<br>https://www.kaspersky.com/security-scan You can also do a check for a rootkit infection with TDSSKiller. *Anti-rootkit utility TDSSKiller:<br>https://support.kaspersky.com/viruses/disinfection/5350 <br>https://support.kaspersky.com/viruses/utility
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Fragesteller

Hello,

Thank you for your answer and suggestions, they are useful when you are on a "free" firefox, but not on the enterprise version used at my work and for which I report this error.

The exact error, is that the browser is freezed : the page that should show a google search form, remains pending indefinitively.

On the network page : there is no header and the stack trace remains : loadURI/< chrome://global/content/browser-child.js:359:14 _wrapURIChangeCall chrome://global/content/browser-child.js:311:7 loadURI chrome://global/content/browser-child.js:358:5 receiveMessage chrome://global/content/browser-child.js:291:9

I don't have admin right to install any security tool on my side. There are company security tools running that should ensure, it is the case.

I cannot start on safe mode : with that version of firefox, the about:addons show a page indicating : "Your organisation has blocked access to this page or web site.". I imagine they don't want people to remove the enterprise add-on that disable that. In short, many standard firefox features are not available.

The idea that the issue is cookies linked could be true, but in that case there would have been at least an header sent.

The browsers page freeze before reaching the header sending step.

It looks a bit like what is reported here : https://bugzilla.mozilla.org/show_bug.cgi?id=1378520

But to my knowledge, I'm not in private window (that button is also not visible..)

Hello, Thank you for your answer and suggestions, they are useful when you are on a "free" firefox, but not on the enterprise version used at my work and for which I report this error. The exact error, is that the browser is freezed : the page that should show a google search form, remains pending indefinitively. On the network page : there is no header and the stack trace remains : loadURI/< chrome://global/content/browser-child.js:359:14 _wrapURIChangeCall chrome://global/content/browser-child.js:311:7 loadURI chrome://global/content/browser-child.js:358:5 receiveMessage chrome://global/content/browser-child.js:291:9 I don't have admin right to install any security tool on my side. There are company security tools running that should ensure, it is the case. I cannot start on safe mode : with that version of firefox, the about:addons show a page indicating : "Your organisation has blocked access to this page or web site.". I imagine they don't want people to remove the enterprise add-on that disable that. In short, many standard firefox features are not available. The idea that the issue is cookies linked could be true, but in that case there would have been at least an header sent. The browsers page freeze before reaching the header sending step. It looks a bit like what is reported here : https://bugzilla.mozilla.org/show_bug.cgi?id=1378520 But to my knowledge, I'm not in private window (that button is also not visible..)
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FredMcD
  • Top 10 Contributor
4269 Lösungen 59846 Antworten
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Have you contacted your IT yet? Is Google the only problem?

https://support.mozilla.org/kb/Clear+Recent+History#w_how-do-i-remove-a-single-website-from-my-history

Remove History For One Site

Open the History Manager <Control><Shift> H. In the search bar, enter the name of the site. Right-click on one of the listings and select Forget About This Site. This should remove all information, including any settings.

Have you contacted your IT yet? Is Google the only problem? https://support.mozilla.org/kb/Clear+Recent+History#w_how-do-i-remove-a-single-website-from-my-history Remove History For One Site Open the History Manager '''<Control><Shift> H.''' In the search bar, enter the name of the site. Right-click on one of the listings and select '''Forget About This Site.''' This should remove all information, including any settings.
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