#usr/bin/perl
use strict;
use warnings;
use IO::Socket;
$| = 1;
my $client;
my $socket= new IO::Socket::INET(
                                LocalPort => '4500',
                                Proto => 'tcp',
                                Listen => 1,
                                Reuse => 1
                                );
die "Couln't open socket: $!" unless $socket;
while(1)
{
        $client = $socket->accept() or die sprintf "ERRRR(%d)(%s)(%d)(%s)", $!,$!,$^E,$^E;
        print "Socket Accepted:$client....\n";
        $client->autoflush(1);
        my $addr = $client->peerhost();
        my $port = $client->peerport();
        print "Got Connection from \"$addr\" at port $port\n";
        while( <$client> )
        {
                print "$client"
        }
}
##</code><code>##

Couln't open socket: Address already in use at servertest.pl line 14.

##</code><code>##

[root@station34 Socket]# netstat -anp | grep 4500
tcp        0      0 192.168.0.34:4500           0.0.0.0:*                   LISTEN      22948/nco_objserv   
tcp        0      0 192.168.0.34:32997          192.168.0.34:4500           ESTABLISHED 22990/nco_p_syslog  
tcp        0      0 192.168.0.34:32996          192.168.0.34:4500           ESTABLISHED 22991/nco_p_mttrapd 
tcp        0      0 192.168.0.34:4500           192.168.0.34:32997          ESTABLISHED 22948/nco_objserv   
tcp        0      0 192.168.0.34:4500           192.168.0.34:32996          ESTABLISHED 22948/nco_objserv   
unix  2      [ ACC ]     STREAM     LISTENING     4500   1934/gpm            /dev/gpmctl