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。

youdao

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。

youdao

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。

youdao

For that full-motion video, high bandwidth, global technology we will need all new infrastructure, from backbone to servers to personal ports.

FORBES: Opportunity Knocking

Setting sail in July 2013 from Southampton in the UK, the 70-ft yachts will visit 15 ports on all six continents.

CNN: November 8, 2012 -- Updated 1414 GMT (2214 HKT)

The emirate is big on hype, but the view from his 45th-floor office bears out the boast: all swooshing highways, gleaming buildings and bustling ports in the distance.

ECONOMIST: Beyond oil