This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Hierdie gesprek is in die argief. Vra asseblief 'n nuwe vraag as jy hulp nodig het.

Your browser sent a request that this server could not understand. Size of a request header field exceeds server limit.

  • 1 antwoord
  • 1 het hierdie probleem
  • 13 views
  • Laaste antwoord deur FredMcD

more options

Your browser sent a request that this server could not understand. Size of a request header field exceeds server limit.

I am getting this msg when I try to open a sub menu on my bank account.

Your browser sent a request that this server could not understand. Size of a request header field exceeds server limit. I am getting this msg when I try to open a sub menu on my bank account.

All Replies (1)

more options

There is security software like Avast, Kaspersky, BitDefender and ESET that intercept secure connection certificates and send their own.

https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can

https://support.mozilla.org/en-US/kb/firefox-and-other-browsers-cant-load-websites

https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message

https://support.mozilla.org/en-US/kb/connection-untrusted-error-message

Websites don't load - troubleshoot and fix error messages

http://kb.mozillazine.org/Error_loading_websites

What do the security warning codes mean