NMAP - A Stealth Port Scanner--reference
The FTP protocol (RFC 959) specified support for a "proxy" ftp,which allowed a connection to an FTP server to send data to anywhere on the internet. This tends not to work with modern ftpds,in which it is an option usually disabled in the configuration. If a server with this feature is used by Nmap,it can be used to try to connect to ports on your victim,thus determining their state. This scan method allows for some degree of anonymity,although the FTP server may log connections and commands sent to it. The -P0 (that’s a zero) option allows you to switch off ICMP pings. The -PT option switches on TCP Pings,you can specify a port after the -PT option to be the port to use for the TCP ping. (编辑:ASP站长) 【免责声明】本站内容转载自互联网,其相关言论仅代表作者个人观点绝非权威,不代表本站立场。如您发现内容存在版权问题,请提交相关链接至邮箱:bqsm@foxmail.com,我们将及时予以处理。 |
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