in reply to Re^3: IO Socket - Detect inbound IP
in thread IO Socket - Detect inbound IP

here it is.
my ($new_sock, $client_addr) = $sock->accept(); my $peerhost = $sock->peeraddr(); my $addr = inet_ntoa($peerhost); print "$addr\n"; print $client_addr\n"; while(<$new_sock>) { print $_; } close($sock);

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Re^5: IO Socket - Detect inbound IP
by ikegami (Patriarch) on Jan 25, 2011 at 22:17 UTC

    $sock isn't connected to anything. That's why you're getting

    Use of uninitialized value in subroutine entry Bad arg length for Socket::inet_ntoa, length is 0, should be 4

    $! contains the following, but you might not have known that peeraddr sets it on error.

    Transport endpoint is not connected

    You want to know to whom $new_sock is connected.