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  • 최종 답변자: FredMcD

Ken Cooper
Ken Cooper
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Today I tried to log in to my HSBC account from Firefox 89.0.1, which I have been doing from Firefox for several years. The HSBC home page displays as normal, but when I press the Log on button I get the following message


Bad Request

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


I have rung HSBC, who say there is no problem at their end and I should try another browser, and the website works perfectly on Google Chrome. Why should this have happened, what changes have Mozilla made to the browser to cause this problem?

I already have to use Chrome to access my M&S Money account due to incompatibility between that website and Firefox. Should I change my default browser to avoid future problems?

Today I tried to log in to my HSBC account from Firefox 89.0.1, which I have been doing from Firefox for several years. The HSBC home page displays as normal, but when I press the Log on button I get the following message Bad Request Your browser sent a request that this server could not understand. Size of a request header field exceeds server limit. I have rung HSBC, who say there is no problem at their end and I should try another browser, and the website works perfectly on Google Chrome. Why should this have happened, what changes have Mozilla made to the browser to cause this problem? I already have to use Chrome to access my M&S Money account due to incompatibility between that website and Firefox. Should I change my default browser to avoid future problems?

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FredMcD
FredMcD
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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