DDoS protection by Cloudflare infinite loop only on Firefox
every time that I am trying to access a website that is protected by DDoS protection from Cloudflare, I get stuck in an infinite loop of "Checking your browser before accessing" and than the page is reloading itself and i get a new Ray ID. It only happens on Firefox in other browsers I can access Cloudflare protected websites... I tried to disable my antivirus and safe mode in Firefox also tried to refresh Firefox and a new installation (tried Official release and beta release)...
I have added the Troubleshooting Information
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Can you post the link before the login so others can see if they get the same results clicking on it.
We had another thread about this issue:
- [/questions/1216912] CloudFlare keeps repating browser check on Mozilla Firefox
This could be cookie related, so make sure that you do not block cookies. you can also check the connection settings in Options/Preferences.
Did you try a completely clean profile (a refresh can carry over issues as it imports data)?
You can create a new profile to test if your current profile is causing the problem.
See "Creating a profile":
- https://support.mozilla.org/en-US/kb/profile-manager-create-and-remove-firefox-profiles
- http://kb.mozillazine.org/Standard_diagnostic_-_Firefox#Profile_issues
If the new profile works then you can transfer files from a previously used profile to the new profile, but be cautious not to copy corrupted files to avoid carrying over problems.
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.
- Malwarebytes' Anti-Malware:
https://www.malwarebytes.com/ - AdwCleaner:
http://www.bleepingcomputer.com/download/adwcleaner/
http://www.softpedia.com/get/Antivirus/Removal-Tools/AdwCleaner.shtml - SuperAntispyware:
http://www.superantispyware.com/ - Microsoft Safety Scanner:
https://www.microsoft.com/security/scanner/en-us/default.aspx - Windows Defender:
https://windows.microsoft.com/en-us/windows/using-defender - Spybot Search & Destroy:
http://www.safer-networking.org/en/index.html - Kasperky Free Security Scan:
https://www.kaspersky.com/security-scan
You can also do a check for a rootkit infection with TDSSKiller.
- Anti-rootkit utility TDSSKiller:
https://support.kaspersky.com/viruses/disinfection/5350
cor-el said
We had another thread about this issue:This could be cookie related, so make sure that you do not block cookies. you can also check the connection settings in Options/Preferences. Did you try a completely clean profile (a refresh can carry over issues as it imports data)? You can create a new profile to test if your current profile is causing the problem. See "Creating a profile": If the new profile works then you can transfer files from a previously used profile to the new profile, but be cautious not to copy corrupted files to avoid carrying over problems.
- [/questions/1216912] CloudFlare keeps repating browser check on Mozilla Firefox
tried that.. didn't help
cor-el said
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.
- Malwarebytes' Anti-Malware:
https://www.malwarebytes.com/- AdwCleaner:
http://www.bleepingcomputer.com/download/adwcleaner/
http://www.softpedia.com/get/Antivirus/Removal-Tools/AdwCleaner.shtml- SuperAntispyware:
http://www.superantispyware.com/- Microsoft Safety Scanner:
https://www.microsoft.com/security/scanner/en-us/default.aspx- Windows Defender:
https://windows.microsoft.com/en-us/windows/using-defender- Spybot Search & Destroy:
http://www.safer-networking.org/en/index.html- Kasperky Free Security Scan:
https://www.kaspersky.com/security-scan
- Anti-rootkit utility TDSSKiller:
https://support.kaspersky.com/viruses/disinfection/5350
https://support.kaspersky.com/viruses/utility
I ran my antivirus and anti malware programs.. that too didn't help...
I also tried using a different internet connecting (connected with hotspot from my mobile phone) same results.. and tried with a frash windows install on a virtual machine and a frash Firefox.. same results too