The attacker may obtain such a list by performing a simple ping sweep using any number of freeware tools, such as Angry IP scanner or Nmap.
攻击者可能使用多种免费软件工具(如angryIP scanner或Nmap)执行一个简单的ping扫描，以获得一个列表。
Proxy scanner can scan network up to 10,000 IP addresses per second.
代理扫描仪可以扫描网络可达每秒10,000IP地址。
Proxy scanner can scan network up to 10,000 IP addresses per second.
代理扫描仪可以扫描网络可达每秒10,000IP地址。
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