Mac上临时端口的范围是多少? [英] What is the range of ephemeral ports on mac?

问题描述

我正在尝试对一个Web框架进行基准测试，并阅读到没有足够的免费临时端口会伪造结果.不幸的是，我还没有在Mac上找到临时端口范围，或者如何显示该端口范围?

I am trying to benchmark a web framework and read that not having enough free ephemeral ports can falsify the results. Unfortunately, I haven't found what the ephemeral port range is on my mac, or how to display it ?

推荐答案

Here, a good article on the topic, addressing also the issue of TIME_WAIT for ephemeral ports. The port range on macOS can be displayed by:

>> sysctl net.inet.ip.portrange.first net.inet.ip.portrange.last
net.inet.ip.portrange.first: 49152
net.inet.ip.portrange.last: 65535

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