用网络安全，回溯中两个阶段的包标记方法，对研究IP回溯的很有帮助。-With network security, back in the two-stage packet marking method, the study of IP back in useful.

TPROXY target is capable of marking the packet to perform redirection. We can get rid of that whenever we get support for mutliple targets in the same rule.

TPROXY target is capable of marking the packet to perform redirection. We can get rid of that whenever we get support for mutliple targets in the same rule.