CHAP provides protection against playback attack through the use of a variable challenge value that is unique and unpredictable.
CHAP provides protection against playback attack through the use of a variable challenge value that is unique and unpredictable.
查问式握换验证协定藉由使用不固定的查问式值（唯一的与无法预测的），以提供对抗播放攻击的保护。