You can use IO::Socket, it allows you to set timeout: 
use strict;
use warnings;

use IO::Socket::INET;

my $sock = IO::Socket::INET->new(
    PeerAddr => 'X.X.X.X',
    PeerPort => '80',
    Proto => 'tcp',
    Timeout => 3,
);

die $! unless $sock;

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In reply to Re: connect() connection timeout by zwon
in thread connect() connection timeout by perlthirst

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