for($i=0;$i<3;$i++){

    if($i == 0){ $port=80; }
    if($i == 1){ $port=443; }
    if($i == 2){ $port=53; }
    ...
}

[download]

On a side note, as $i isn't being used in the rest of the loop, this could be shorter written as 

for my $port (80, 443, 53) {
    ...
}

[download]

In reply to Re: Host discovery tool problem by Eliya
in thread Host discovery tool problem by perlaintdead

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