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如何在linux局域网内搭建一个dns服务，将主机名解析为ip？

如何在linux局域网内搭建一个dns服务，将主机名解析为ip？公司内网测试主机较多，不想每增加一台机器，就更改所有主机的/etc/hosts文件。网上找到的搭建dns服务，都是将域名转换为ip，有没有简单的配置，可以直接将主机名转化为ip。

linux如何将公网IP映射到局域网IP？

背景：机房做了某些安全设置，不允许同一路由器上的机器互相访问，于是公司的多台服务器之间采用公网IP就无法访问，但是为了让多台服务器之间能交换数据，于是用每台机器的第二块网卡搭建了一个局域网，可以使用局域网IP互相访问。这导致很多配置很麻烦。问题：能不能通过某些设置，使访问 23.234.22.1...

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[帮助文档] 在Linux系统中,禁止IP或者网段访问服务的方法有哪些

免责声明：本文档可能包含第三方产品信息，该信息仅供参考。阿里云对第三方产品的性能、可靠性以及操作可能带来的潜在影响，不做任何暗示或其他形式的承诺。免责声明：概述本文主要介绍在Linux系统中，禁止IP或者网段访问服务的方法。详细信息阿里云提醒您：如果您对实例或数据有修改、变更等风险操作，务必注意实...

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