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wonder_uix2016-03-24 15:52:53
*nix-like systems
wonder_uix, 2016-03-24 15:52:53

What can be inferred from the values ​​of environment variables?

What conclusion can be drawn from the following environment variable values?
REMOTE_ADDR=194.86.2.2
HTTP_VIA=194.86.2.2
HTTP_X_FORWARD_FOR=194.116.3.3

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Pavel Selivanov, 2016-03-26
@wonder_uix

Judging by the names of the variables, they are obtained from somewhere in CGI. Client 194.116.3.3 sent a request through proxy 194.86.2.2.

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