Have you looked at Sys::Hostname? Or maybe you wanted gethostbyaddr? I'm not exactly sure which of the two you want, because you talk of a "Computer that is running the script", and you also talk of "on the server side" - a Perl script is run on one computer.

If you're thinking of a script that runs on a webserver, and which is triggered by a client connecting, then you want gethostbyaddr, together with (I believe) $ENV{CLIENT_IP}.

If you're thinking of a script that many clients in your network run, then Sys::Hostname is what you want.

In reply to Re: Retrieving network information by Corion
in thread Retrieving network information by paranoid times

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