Cleiton L. Siqueira writes:

> I need to know what enviroment variable is responsible to keep the IP
> ADDRESS of SENDER.

$TCPREMOTEIP. 

You should look into tcpservers -x option and 
<URL:http://cr.yp.to/ucspi-tcp/tcprules.html> 

If I understand you correctly, it will do what you want. 


Vince.

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