Nginx front-end and back-end socket details

[Lahiru Prasad]

Hi,
   Is there a way to get back-end service socket details matching to each
front-end?
 My requirement is;

User(78.12.34.12) connects to Nginx(23.34.12.53:80) Then Nginx(172.16.2.2)
connects to back-end service(172.16.2.3:8080)

How can I get above socket details, by filtering front-end socket, I need
to get the matching back-end socket.

So what I expect is something like this;

78.12.34.12:2312 > 23.34.12.53:80
172.16.2.2:3243 > 172.16.2.3:8080

Regards,
Lahiru Prasad.
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