What is the mlmf verification code?

mlmf verification code is a public, fully automatic program that distinguishes whether a user is a computer or a human; it can prevent malicious password cracking, ticket fraud, and forum flooding, and effectively prevent a hacker from using a specific program to violently target a specific registered user. The cracking method makes continuous login attempts.

#The operating environment of this article: Windows 7 system, Dell G3 computer.

Recommended: "Programming Video"

mlmf verification code is a public fully automatic program that distinguishes whether the user is a computer or a human.

can prevent: malicious cracking of passwords, ticket fraud, and forum flooding, effectively preventing a hacker from using a specific program to violently crack a specific registered user from making continuous login attempts; in fact, many websites now use verification codes. As a common method, we implement this function in a relatively simple way. This question can be generated and judged by a computer, but only a human can answer it. Since computers cannot answer CAPTCHA questions, the user who answers the questions can be considered a human.

Extended information:

Verification code effectively prevents a hacker from continuously trying to log in to a specific registered user using a specific program to brute force. In fact, the use of verification code is now common on many websites. (such as China Merchants Bank’s online personal banking, Baidu Community), we have implemented this function in a relatively simple way.

Although logging in is a little more troublesome, this function is still necessary and important for the password security of netizens. However, we still remind everyone to protect their passwords and try to use a password of more than 6 digits mixed with numbers, letters, and symbols. Do not use simple passwords such as 1234 or passwords that are the same or similar to your username, lest you Your account has been stolen, causing you unnecessary trouble.

The above is the detailed content of What is the mlmf verification code?. For more information, please follow other related articles on the PHP Chinese website!