CyberaniCTF-web-Preventer

Challenge title Preventer

In some challenges, the title is a hint from the creator
soo just keep this in your mind
lets go to the challnge

soo we note we cant use ctrl + u to open source code and we can’t click F12 to to open inspect

let’s back to my rule

we cant do rule 2
lets Checking the request and response

we find something interesting in http headers lets google it

its some kind of conditions lets just send it to Repeater and delet this conditions

lol now we know why we cant open src code or inspect
in line 35 we see parameter

soo here we well rember LFI
like ?file=file.txt1
but here the just change the parameter
lets try flag.txt