CentOS7 下安装telnet服务的实现方法
<p><strong>CentOS7 下安装telnet服务的实现方法</strong></p>
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今天搞了下 Centos 7 下面升级 openssl 和 openssh ，顺便装了下 telnet</p>
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# 安装 telnet 避免 ssh 无法登录</p>
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<code class="bash plain">yum -y </code><code class="bash functions">install</code> <code class="bash plain">xinetd telnet telnet-server </code>
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# 允许 root 账号登陆</p>
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<code class="bash functions">vi</code> <code class="bash plain">/etc/securetty</code>
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# 末尾添加两行</p>
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<code class="bash plain">pts</code><code class="bash plain">/0</code>
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<code class="bash plain">pts</code><code class="bash plain">/1</code>
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# 添加防火墙端口</p>
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<code class="bash functions">vi</code> <code class="bash plain">/etc/sysconfig/iptables</code>
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<code class="bash plain">-A INPUT -p tcp -m state --state NEW -m tcp --dport 23 -j ACCEPT </code>
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# 重启服务关闭 firewalld</p>
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<code class="bash plain">systemctl restart iptables </code>
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<code class="bash plain">systemctl disable firewalld </code>
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<code class="bash plain">systemctl stop firewalld </code>
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# 注册服务</p>
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<code class="bash plain">systemctl </code><code class="bash functions">enable</code> <code class="bash plain">telnet.socket </code>
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<code class="bash plain">systemctl start telnet.socket </code>
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<code class="bash plain">systemctl </code><code class="bash functions">enable</code> <code class="bash plain">xinetd </code>
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<code class="bash plain">systemctl start xinetd </code>
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# centos7下面安装telnet 没有生成 /etc/xinetd.d/telnet 文件，我照以前的配置自己写了个进去貌似没用处，网上也没找到更多资料了</p>
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# 现在这样临时用用也够了</p>
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<img style="max-width:100%!important;height:auto!important;"title="CentOS7 下安装telnet服务的实现方法" alt="CentOS7 下安装telnet服务的实现方法" src="https://zhuji.jb51.net/uploads/img/202305/464ea7866674fd337c70c4b1b2732220.jpg"></p>
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原文链接：http://blog.csdn.net/zhouzme/article/details/46461177</p>
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