Nikto is an Open Source (GPL) web server scanner which performs comprehensive tests against web servers for multiple items, including over 6400 potentially dangerous files/CGIs, checks for outdated versions of over 1200 servers, and version specific problems on over 270 servers. It also checks for server configuration items such as the presence of multiple index files, HTTP server options, and will attempt to identify installed web servers and software. Scan items and plugins are frequently updated and can be automatically updated. For downloads and more information
It is a scanner for web servers and is available as an open source. It conducts detailed testing for several items against the web servers which include testing of more than 6700 files or programs which can be dangerous. It also tests for version specific problems of the web servers.
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