mime@kira[7]: ~ 0)$ sudo /opt/openvas4/bin/openvas-nasl -X -t 192.168.2.20 /opt/openvas4/var/lib/openvas/plugins/ntp_open.nasl
[13400] plug_set_key:internal_send(0)['3 NTP/Running=1;
']: Socket operation on non-socket
[13400] plug_set_key:internal_send(0)['1 Host/OS/ntp=Linux/2.6.27.37-0.1-pae;
']: Socket operation on non-socket
[13400] plug_set_key:internal_send(0)['1 HostDetails=OS;
']: Socket operation on non-socket
[13400] plug_set_key:internal_send(0)['1 HostDetails/NVT=1.3.6.1.4.1.25623.1.0.10884;
']: Socket operation on non-socket
[13400] plug_set_key:internal_send(0)['1 HostDetails/NVT/1.3.6.1.4.1.25623.1.0.10884=NTP allows query of variables;
']: Socket operation on non-socket
[13400] plug_set_key:internal_send(0)['1 HostDetails/NVT/1.3.6.1.4.1.25623.1.0.10884/OS=Linux/2.6.27.37-0.1-pae;
']: Socket operation on non-socket
[13400] plug_set_key:internal_send(0)['1 Host/processor/ntp=i686;
']: Socket operation on non-socket
[13400] plug_set_key:internal_send(0)['1 NTP/Linux/FullVer=ntpd 4.2.4p5@1.1541-o Wed Dec  3 07:22:15 UTC 2008 (1);
']: Socket operation on non-socket
[13400] plug_set_key:internal_send(0)['1 NTP/Linux/Ver=4.2.4.p5;
']: Socket operation on non-socket
[13400] plug_set_key:internal_send(0)['1 HostDetails=App;
']: Socket operation on non-socket
[13400] plug_set_key:internal_send(0)['1 HostDetails/NVT=1.3.6.1.4.1.25623.1.0.10884;
']: Socket operation on non-socket
[13400] plug_set_key:internal_send(0)['1 HostDetails/NVT/1.3.6.1.4.1.25623.1.0.10884=NTP read variables;
']: Socket operation on non-socket
[13400] plug_set_key:internal_send(0)['1 HostDetails/NVT/1.3.6.1.4.1.25623.1.0.10884/App=cpe:/a:ntp:ntp:4.2.4.p5:p5;
']: Socket operation on non-socket
It is possible to determine a lot of information about the remote host