Advanced area of attack and defense world web masters -baby Web

1. Go to the link , When I first went in, I saw this page 1.php, According to the topic tips “ Think about the initial page , Guess it should exist index.php, So visit index.php After inputting, jump directly to 1.php, Guess the address may be filled in 1.php.

2. Open Firefox developer mode (F12), Select the network module , request index.php, You can see location The parameters are set 1.php, And get flag.

summary ： a web Common parameters location The role of