近几年选择VPS主机建站的用户越来越多，主要原因是VPS主机在性能上比虚拟主机高，而在价格上又比服务器低很多。随着VPS主机在市场占有率的增加，许多主机商纷纷推出了VPS主机。那么许多新手站长在选择美国VPS时有一些疑惑，例如租用美国VPS应该注意哪些方面,下面我们一起来看下吧。
其一、不要轻易设置端口与IP
通常这些在租用美国VPS时，这些已经设置好，如果自己进行更改，对操作不足够熟练的话，可能会造成无法远程连接的问题，而这些问题有时是无法撤销与修复的。
其二、不要下载过大软件
虽然VPS容量与带宽更大，但也无法承载过多文件，当下载这些超大文件是，很可能会影响VPS的正常运作，如果持续下载的时间比较长，也很容易被误认为是反常流量而被屏蔽。通常这类大文件可以要求服务商进行拷贝，这样速度更快。
其三、不要用第三方软件更新系统
与防火墙同样的道理，使用第三方软件进行补丁与更新，也会导致系统崩溃或无法正常运行。
其四、不要安装第三方防火墙
通常美国VPS服务器上会已经配置好防火墙，如果再次安装第三方的，会极易造成VPS系统崩溃与数据丢失。如果需要使用，建议使用自带的防火墙功能。
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