ID Serve is used to identify the make, model, and version of any website's server softwarel it is also used to identify non-HTTP(non-web) Internet servers such as FTP, SMTP, POP, etc.
2. Netcraft(http://toolbar.netcraft.com)
Netcraft reports a site's operation system, web server, and netblock owner together with, if available, a graphical view of the time since last reboot for each of the computers serving the Web site.
3. Netcat(http://netcat.sourceforge.net)
Netcat is a networking utility that reads and writes data across network connections, with the help of the TCP/IP protocol/ It is designed to be a reliable "back-end" tool that can be used directly or easily driven by other programs and scripts. It provides access to the following key features:
- Outbound and inbound connections, TCP or UDP, or any ports.
- Featured tunneling mode, which also allows special tunneling such as UDP to TCP, with the possibility of specifying all network parameters(source port/interface, listening port/interface), and the remote host allowed to connect to the tunnel.
- Built-in port-scanning capabilities, with randomizer.
- Advanced usage options, such as buffered send-mode(one line every N seconds) and hexdump(to stderr or to a specified file) of transmitted and received data.
command ex). nc -vv www.localhost.com 80
GET /HTTP/1.0
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