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Message: <blockquote data-quote="||~DxxCxxxx~||" data-source="post: 5431460" data-attributes="member: 137393">Network HackingNetwork Hacking is generally means gathering information        about domain by using tools like Telnet, NslookUp, Ping, Tracert, Netstat,        etc.            It also includes OS Fingerprinting, Port Scaning and Port Surfing              using various tools.      Ping :- Ping is part        of ICMP (Internet Control Message Protocol) which is used to troubleshoot        TCP/IP networks. So, Ping is basically a command that allows you to check        whether the host is alive or not.      To ping a particular host the syntax is (at command prompt)--c:/>ping hostname.comexample:- c:/>ping www. google.com<img src="http://img198.imageshack.us/img198/4577/ping.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" /> Various attributes used with 'Ping' command and their usage can be viewed by just typing c:/>ping at the command prompt.Netstat :- It displays protocol statistics        and current TCP/IP network connections. i.e. local address, remote address,        port number, etc.             It's syntax is (at command prompt)--c:/>netstat -n<img src="http://img83.imageshack.us/img83/6894/9766wg.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" />Telnet :- Telnet is a program which        runs on TCP/IP. Using it we can connect to the remote computer on particular        port. When connected it grabs the daemon running on that port.       The basic syntax of Telnet is (at command prompt)--c:/>telnet hostname.com             By default telnet connects to port 23 of remote computer.        So, the complete syntax is-c:/>telnet www. hostname.com port             example:- c:/>telnet www. yahoo.com 21 or c:/>telnet 192.168.0.5 21            Tracert :- It is used to trace out        the route taken by the certain information i.e. data packets from source        to destination.        It's syntax is (at command prompt)--c:/>tracert www.  hostname.com       example:- c:/>tracert www. insecure.in<img src="http://img83.imageshack.us/img83/7544/tracert.gif" alt="" class="fr-fic fr-dii fr-draggable " style="" />             Here "*    *    *    Request        timed out." indicates that firewall installed on that system block the request        and hence we can't obtain it's IP address.            various attributes used with tracert command and their usage can be viewed        by just typing c:/>tracert at the command prompt.      The information obtained by using tracert command can be further used to        find out exact operating system running on target system.</blockquote>

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