The researching key point in the paper is the design and realization of the packet filter technology in individual security defense system.

本文研究的重点是个人安全防御系统中包过滤技术的设计与实现。

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Lastly, along with campus fact and equipment, using technology of VLAN, NAT, router access-list and network traffic flow monitoring system, we carry out basic security defense of campus network.

最后，结合校园网的实际，根据现有设备条件，运用VLAN技术、NAT技术、路由器访问列表以及流量监控实现了对校园网的基本安全防护。

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Information security not only requires a guarantee on technology and law, but also needs a line of moral defense.

信息安全不仅需要技术、法律层面的保障，而且需要构筑必要的道德防线。

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Hamada's comments follow a meeting of Japan's Security Council Friday, at which senior officials voted to approve the use of missile defense technology to destroy any part of the North Korean rocket that looks like it will land on Japan.

VOA: standard.2009.03.27

In early October, Ambassador Alan Wendt of the State Department and the director of the Defense Technology Security Agency, William Rudman, made an important tour of European capitals.

CENTERFORSECURITYPOLICY: Center for Security Policy | Submitted Testimony by Frank J. Gaffney, Jr. on The Application Of National Security Export Controls To The East Bloc

Gertz quotes John Shaw, the Deputy Under Secretary of Defense for International Technology Security, who contends - based on information from two reliable European intelligence services - that Russian troops and Iraqi intelligence "almost certainly" removed the missing material from the facility.

CENTERFORSECURITYPOLICY: Center For Security Policy

Determined to further enhance our relationship, we discussed ways of maximizing the work of the U.S.- Portugal Bilateral Commission, which facilitates cooperation in areas as diverse as defense and security, education, science and technology exchanges, economic revitalization, law enforcement, and development in the Azores.

WHITEHOUSE: The White House