ERR_CONNECTION_TIMED_OUT error when uploading big file

No problem little file but I get this error uploading big file

Also it is not about php.ini. Already, I increased max_execution_time vs…

how big is the file?

1 gb and bigger

1 gb and bigger

is it OLS or LSWS enterprise ?

besides php.ini , there is other PHP max time option in LIteSpeed side.