We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

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

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

  • 1 ŋuɖoɖo
  • 1 masɔmasɔ sia le esi
  • 11 views
  • Nuɖoɖo mlɔetɔ 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