由于每次登录时用户提交的认证信息都是固定不变的，传统的口令认证机制容易遭受回放攻击。

Traditional password authentication schemes are vulnerable to replay attacks because of the fixed password and unchanged messages submitted by users for verification.

youdao

这确保了对Amazon SQS的请求无法被攻击者捕获并回放以模拟有效用户。

This ensures that the request to Amazon SQS cannot simply be captured by an attacker and replayed, thus mimicking the valid user.

youdao

在测试中，该系统能够准确回放我们产生的攻击流量与背景流量，在测试中同测试平台其他软件配合量良好。

In the test, it can replay both attack traffic and background traffic, and work well with other software in the system.

youdao