The URL to redirect to in case of authentication failure.

验证失败则重定向到该 URL。

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Authentication failure URL specifies the page the user sees if authentication fails.

Authentication failure URL指定了身份验证失败情况下用户看到的页面。

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Security authentication failure rate, To configure the number of allowable unsuccessful login attempts.

安全认证失败速率，指定不成功的登录速率。

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But RSA, the security division of EMC, says 220 companies, including Target, Sears, Macy's, Sprint, T-Mobile and 14 of the 20 largest U.S. financial institutions, use its "knowledge-based authentication" (KBA) service and that it has a "false failure" rate (meaning folks flunking on erroneous public info) of less than 5%.

FORBES: Magazine Article