hello,my website ( https://aliahclgproject.tk ) when i try to open, it load on my browser correctly, but when I submit some thing ex.( for login as admin to this page " https://aliahclgproject.tk/html/login "), then I got error message "Your browser sent a request that this server could not understand.
The number of request header fields exceeds this server’s limit. " .
This problem happen only my chrome browser, then I search on google for solving this issue, and I found that just clear my browser cookies to solve this problem,then I clear it but issue don’t solve even I re-install my browser
NOTE:- this thing happen in only my browser
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If you are using CloudFlare try disabling that in the meantime.
if google chrome data save extintion is enable disable it
I just tried submitting some dump content and I didn’t get this error. Have you tried clearing browser’s and DNS cache alongside with clearing cookies?
Also try what @AwadGorg said and check if you have any plugins related to cache/cookies/data save, as they might be causing the issue.
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Try disabling CloudFlare in the meantime
is it a problem regarding Cloudflare cause my website started showing the same issue
I believe it is influenced by CloudFlare currently yes as disabling it seems to resolve it.
oh, will wait and see in the morning to see if they fixed the problem cause for now to disable cloudflare and go back to use http will take forever hope the problem get fixed fast.