When scanning for network IPs, there are a few things that you should keep in mind.

在扫描网络IP的时候，请记住下面几点。

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Another method of troubleshooting this problem is to change the NIC to the console OS, bring up the interface, and ensure you can ping other IPs on that network.

排除这个问题的另外一种方法是将NIC修改为控制台os，启动这个网卡，并确保您可以ping到这个网络中的其他IP。

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Pan Guangliang, Asia-Pacific Network Information Center, said, "for the major three telecom operators, China telecom, China Unicom and China Mobile, currently, they have some IPs, but very limited."

亚太互联网络信息中心潘广亮说：“对于中国电信，中国联通和中国移动这三大电信运营商来说，目前他们有一些IP地址，但是非常有限。”

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On the network side IPS is analogous to anti-virus for email and DDoS defense is analogous to anti-spam.

FORBES: Clean That Network Traffic

Known as the DMZ, this is the place where network security traditionally resides: firewalls, IPS systems, Web and email gateways.

FORBES: Going Mobile: Security in the Age of Ubiquity

As you listen to Francois, compare his story to that of the so-called Next Generation Firewall vendors who have settled on a subset of network protections to define NGF, namely IPS and application awareness.

FORBES: Demystifying Next Gen Firewalls and UTM