dictionaries
Optimization of the dictionary
Contrast response
on-client
Enter a null value
Enter the wrong captcha
on-server
Reusable captcha
Repair advice
Set the duration of the session or update it after each use
2020-05-01
Brute force---web安全从入门到放弃（ichunqiu）
原文：https://www.cnblogs.com/lemo123/p/12827852.html