Edit File: libnet.cfg
{ 'pop3_hosts' => [], 'ph_hosts' => [], 'inet_domain' => undef, 'time_hosts' => [], 'daytime_hosts' => [], 'smtp_hosts' => [], 'test_exist' => 1, 'test_hosts' => 1, 'nntp_hosts' => [], 'ftp_testhost' => undef, 'snpp_hosts' => [], 'ftp_int_passive' => 1, 'ftp_ext_passive' => 1, }