# nikto > Web server scanner which performs comprehensive tests against web servers for multiple items, including over 6700 potentially dangerous files/programs. - Update to to the latest plugins and databases: `perl nikto.pl -update` - Perform a basic Nikto scan against a target host: `perl nikto.pl -h 192.168.0.1` - Specify the port number when performing a basic scan: `perl nikto.pl -h 192.168.0.1 -p 443` - Scan ports and protocols with full URL syntax: `perl nikto.pl -h https://192.168.0.1:443/` - Scan multiple ports in the same scanning session: `perl nikto.pl -h 192.168.0.1 -p 80,88,443` - Set the proxy on the command line: `perl nikto.pl -h localhost -useproxy http://localhost:8080/`