Recently, suddenly found a website url with & amp; CHKSM parameters have no effect after deleting access to web pages, it aroused my interest, you have great spirit of yao, online please

CodePudding user response:

http://www.awaiyun.cn/? U=4 cf5ba
The HTTP: network protocol is
Middle is website domain name www.awaiyun.cn
? Is this on behalf of the page needs to bring parameter
U are variables parameters define
=4 cf5ba refers to give U the variable assignment 4 cf5ba

CodePudding user response:

The parameter name should be check in, but the specific how to do verify success or failure is decided by the server, he also can temporarily not this parameter verification, so you delete also won't affect access, generally is the way it is!