The VIP login in CSDN, click

Download file after button,

But the dishes like chicken with a blind spot, open the button corresponding to a label corresponding url, namely here

Results to return a 404 QAQ

Help, help analyse is why?
Point that button and access the button corresponding url, should not be the same, why some button can download files, normal and direct access to the url is a 404?

CodePudding user response:

Are you sure you find the correct url?

CodePudding user response:

May check HTTP REFERER header information program

CodePudding user response:

Did hotlinking prevention system, if you are with a link to directly access is not allowed, otherwise any external program is easy to get to the link, the corresponding information is only allowed to link building, click in

CodePudding user response:

This may be the measures to prevent click robot platform, an