Shulou(Shulou.com)06/03 Report--

Iptables-t nat-A POSTROUTING-o xxxx-j MASQUERADE-- random

It is found that the source port is not random but increases regularly. After searching by Google, it is found that the new version has the parameter-- random-full.

Iptables-t nat-A POSTROUTING-o xxxx-j MASQUERADE-- random-full

The port changes randomly after the test.

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