How to determine whether a request has been reversed

how to determine whether a request is being proxied in reverse,
and how to know where it is being proxied

Sep.10,2021

if you request http, you can grab the packet and see the response header

MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b3c280-3469f.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3c280-3469f.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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