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买来的一个VPS默认的SSH端口号是22，为了安全，防止别人恶意枚举密码，可以自己修改成别的端口号。
<p><strong>1、首先，编辑sshd_config文件</strong><pre lang="bash">$ sudo nano /etc/ssh/sshd_config</pre><a href="uploads/2011/12/image.png"><img style="background-image: none; margin: 10px 0px; padding-left: 0px; padding-right: 0px; display: inline; padding-top: 0px; border: 0px;" title="image" src= "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" data-lazy-src="uploads/2011/12/image_thumb.png" alt="王恒上传" width="291" height="229" border="0" /></a></p>
<p>将Port 修改成自己定义的端口号，我这里改成了8080</p>
<strong>
2、重启sshd服务</strong><pre lang="bash">$ sudo service sshd restart</pre><span id="more"></span>
如果没什么错误，就可以使用新的端口连接了
</content>
</article><div class="post-copyright"><div class="post-copyright__author"><span class="post-copyright-meta">文章作者: </span><span class="post-copyright-info"><a href="http://wangheng.org">王恒</a></span></div><div class="post-copyright__type"><span class="post-copyright-meta">文章链接: </span><span class="post-copyright-info"><a href="http://wangheng.org/modify-openssh-server-port-number.html">http://wangheng.org/modify-openssh-server-port-number.html</a></span></div><div class="post-copyright__notice"><span class="post-copyright-meta">版权声明: </span><span class="post-copyright-info">本博客所有文章除特别声明外，均采用 <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/" target="_blank">CC BY-NC-SA 4.0</a> 许可协议。转载请注明来自 <a href="http://wangheng.org" target="_blank">王恒's Blog</a>！</span></div></div><div class="tag_share"><div class="post-meta__tag-list"><a class="post-meta__tags" href="/tags/ssh/">ssh</a><a class="post-meta__tags" href="/tags/openssh/">openssh</a><a class="post-meta__tags" 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