use Nmap::Scanner; my $scan = Nmap::Scanner->new(); $scan->add_target('localhost'); $scan->add_scan_port('16310-16316'); $scan->tcp_syn_scan(); my $results = $scan->scan(); #### [root@station19 ~]# perl nmap.pl mass_dns: warning: Unable to determine any DNS servers. Reverse DNS is disabled. Try using --system-dns or specify valid servers with --dns_servers #### [root@station19 ~]# '/usr/bin/nmap' -v -v -v -sS -p 16310-16316 -oX - localhost mass_dns: warning: Unable to determine any DNS servers. Reverse DNS is disabled. Try using --system-dns or specify valid servers with --dns_servers