This is just a very simple scan port, i don't know if they was exactly the good way to do it.

#!usr/bin/perl

use warnings;
use strict;
use IO::Socket; 

# Very Simple Scan Port Write in Perl
    
# MAIN PROG

print "Perl Scan Port V1.0\n\n";

# User Var

my $iptarget =  $ARGV[0];
unless($ARGV[0]){print "|MISSING IP ADRESS\n\n";exit;} 

print "Interesting ports on $iptarget\n\n"; 

print "PORT // STATE // SERVICE\n";

scan($iptarget);

print "Scan Finish\n";
exit;


# Scanning fonction

sub scan
{
    my ($inputtarget) = @_;

 
    for( my $iport = 0; $iport != 65537; $iport++)  
    {

    if ( my $remote = IO::Socket::INET->new(
         Proto => "tcp",
         PeerAddr => $inputtarget,
         PeerPort => $iport,
         Timeout => "5"
         )){
        
        (my $name, my $aliases, my $port_number, my $protocol_name) = 
+getservbyport( $iport , "tcp" );

        if($name){ $name = $name;}else{$name = "NA";} 
 
        print "$iport";print"     open";print"      $name\n";

        close($remote);
    }
    }
}

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In reply to Perl scan port by Anonymous Monk

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