This attack can be fairly easily performed with any one of a number of port scanners available freely on the Internet.

只要具有可从Internet上免费获得的众多端口扫描器之一，任何人都可以轻松实现这种攻击。

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Harris is the best seepage player who in the alliance ranks among the best, he has been anticipating can release own ability freely in such attack system, well a big exhibition fist foot.

哈里斯是联盟中数一数二的最好的渗透型球员，他一直期待着能在这样的进攻体系中自由释放自己的能力，好好地大展一番拳脚。

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In their scheme users can change their passwords freely and the remote system does not need the directory of passwords or verification tables, and replay attack can be avoided.

在他们的方案中，用户能随意更改口令，远程系统不需要存储用户的口令表或验证表，并能防止重放攻击。

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