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Journalctl 显示很多外部地址，它们是什么，是什么意思？

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Journalctl 显示很多外部地址，它们是什么，是什么意思？

我试图调试我的 apache 服务器并使用 journalctl，其中列出了大量外国地址，例如中文和俄罗斯 - 它们也位于 vino-server 旁边，我认为这是我的 VNC 服务器，如果被黑客入侵会很危险。

这些地址应该存在吗？我该如何摆脱它们？

以下是一些输出：

Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      new.dskazan.ru
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      new.dskazan.ru
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      210.51.2.210
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      new.dskazan.ru
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      66.136.241.35.bc.googleusercontent.com
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      new.dskazan.ru
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      new.dskazan.ru
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      dsl-189-151-234-109-dyn.prod-infinitum.com.mx
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      210.51.2.210
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      new.dskazan.ru
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      66.136.241.35.bc.googleusercontent.com
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      190.235.68.236
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      new.dskazan.ru
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      new.dskazan.ru
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      new.dskazan.ru
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      210.51.2.210
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      66.136.241.35.bc.googleusercontent.com
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      new.dskazan.ru
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      dsl-189-151-234-109-dyn.prod-infinitum.com.mx
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      new.dskazan.ru
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      new.dskazan.ru
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      210.51.2.210
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      190.235.68.236
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      66.136.241.35.bc.googleusercontent.com
Aug 08 11:30:38 Media-Server vino-server[4414]: 08/08/2019 11:30:38      663.gra1.ovh.abcd.network
Aug 08 11:30:39 Media-Server vino-server[4414]: Deferring authentication of '66.136.241.35.bc.googleusercontent.com' for 5 seconds
Aug 08 11:30:44 Media-Server vino-server[4414]: VNC authentication failure from '66.136.241.35.bc.googleusercontent.com'```

答案1

欢迎来到奇妙的互联网世界，在这里俄罗斯、法国和墨西哥的 Bot Maffia 总是可以使用另一个被黑的服务器。（据我检查，这 3 个国家只是 3 个不同的主机名）

没有办法“摆脱”这些，但你可以通过以下方式保护自己：

上面是一个非详尽的列表，但应该可以让您以不同的方式思考您的服务器，因为“被黑客入侵”只是如今宇宙互联网背景辐射的一部分。

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