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[疑问] 这玩意儿是怎么绕过去的


RT 很久之前的一个测试站,套了cf,cf那边防火墙限制了来源ip

http://5.188.210.227/echo.php

5.188.210.227 – – [14/Aug/2022:16:16:16 +0800] "GET http://5.188.210.227/echo.php HTTP/1.1" 400 654 "https://www.google.com/" "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36"