Firstly, the default policy is always to deny access.

首先， 缺省的策略总是拒绝任何访问权限的。

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Code can use permissions to deny access to resources it wants to protect.

代码可以使用权限来拒绝对其要保护的资源的访问。

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You might be able to deny access to users or IP addresses known to be malicious.

您也可以拒绝已知为恶意的使用者或ip位址的存取。

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The Center for Security Policy reserves the right to deny access to the site to anyone at any time.

CENTERFORSECURITYPOLICY: Terms of Use

Drug and device companies have found that it is impossible for doctors and insurers to deny access to cancer treatments.

FORBES: $100,000 Cancer Drugs, Ineffective $50,000 Back Operations, Unnecessary MRI Scans Will Bankrupt America: A Forbes Conversation

If after two years the problem has not been corrected, the President would be authorized to deny access to the U.S. capital markets for any company owned or controlled by Chinese nationals.

CENTERFORSECURITYPOLICY: Center For Security Policy