It ensures that requests can only enter the system from specified ports, and in some cases, ensures that all accesses are only from certain physical machines.
它确保请求只能通过特定的端口进入系统，并且在一些情况下，确保所有的访问只能来自某些物理机器。
You should disable or remove those ports from all of your application servers.
应该在所有应用服务器上禁用或删除这些端口。
If you find the handbook too sophisticated (what with lndir and all) on installing ports from the CDROM, here is what usually works.
如果你认为手册关于从光盘安装ports太复杂(与lndir相关的所有内容)，下面是通常的做法。
Creating a protective veil to keep all the devices from a local network safe from intrusions that may sneak in by taking advantage of unprotected ports is not a very easy task.
创建一个保护性的面纱，以保持所有设备从本地网络安全从入侵，可能会潜入通过采取保护端口的优势不是很容易的事。
We are a professional East Timor (DILI) forwarding company, can operate from All Chinese ports to DILI.
我们是一家专业做东帝汶(DILI)的货代公司，从中国的各个港口去DILI都可以操作。
All gun-ports were open and the muzzles peeped wickedly from them.
船上的炮眼都开着，炮口虎视眈眈地向外窥视着。
With the great aid of the large network of partners in all the main ports of the world, we are able to provide the import service from nearly 1100 ports worldwide.
借助于遍布世界各地的强大海外代理网络，隆生物流可以提供接近1100个港口的进口服务。
We can deliver cargo to below ports through Abbas or Poti from all China ports.
我们可以提供中国各港口至阿巴斯，再转运到以下各港口的运输服务。
We can deliver cargo to below ports through Abbas or Poti from all China ports.
我们可以提供中国各港口至阿巴斯，再转运到以下各港口的运输服务。
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