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<div align="center"><h1>What is Netcat?</h1></div>
<br> <table border="0" cellpadding="0" cellspacing="0" width="500"> <tr> <td width="10" height="10"></td> <td width="470" colspan="2" class="maintext"> <!-- Reset indent, backup=3 --> Netcat is a featured networking utility which reads and writes data across network connections, using the TCP/IP protocol.<br> It is designed to be a reliable "back-end" tool that can be used directly or easily driven by other programs and scripts. At the same time, it is a feature-rich network debugging and exploration tool, since it can create almost any kind of connection you would need and has several interesting built-in capabilities.<br> <br> It provides access to the following main features: <ul> <li>Outbound and inbound connections, TCP or UDP, to or from any ports. <li>Featured <b>tunneling mode</b> which allows also 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. <li>Built-in port-scanning capabilities, with randomizer. <li>Advanced usage options, such as buffered send-mode (one line every N seconds), and hexdump (to stderr or to a specified file) of trasmitted and received data. <li>Optional RFC854 telnet codes parser and responder. </ul>
<br> The GNU Netcat is distributed freely under the GNU General Public License (GPL).
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<div align="center"><h1>Project Goals</h1></div>
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<table border="0" cellpadding="0" cellspacing="0" width="500"> <tr> <td width="10" height="10"></td> <td width="470" colspan="2" class="maintext"> <!-- Reset indent, backup=3 --> Although the project development is marked as beta, GNU Netcat is already enough stable for everyday use.<br> Goals of this project are <b>full compatibility</b> with the original nc 1.10 that is widely used, and <b>portability</b>. GNU Netcat should compile and work without changes on the following hosts:
<ul> <li>Linux (test host: alphaev67-unknown-linux-gnu)<br> <li>FreeBSD (test host: i386-unknown-freebsd4.9)<br> <li>NetBSD (test host: i386-unknown-netbsdelf1.6.1)<br> <li>SunOS/Solaris (test host: sparc-sun-solaris2.9)<br> <li>MacOS X (test host: powerpc-apple-darwin6.8)<br> </ul>
Other operating systems could be supported with minor source modifications, since the code has been written following the GNU coding standard conventions.<br> If you find a bug or you want to report a successfull build on another OS, use the <a href="http://sourceforge.net/tracker/?atid=466046&group_id=52204&func=browse">bug tracking system</a>.<br><br>
Soon the project will split releases between "stable" releases and "development" releases to improve development speed and the introduction of new features without requiring too much testing.<br> <br> For further information, see the README and ChangeLog files in the package. <br> If you are courageous enough to try the newest development version or you want to contribute patches, you may want to check out the version in the <a href="download.php#cvs">CVS repository</a>.<br> <br><br> <hr width="70%" align="center"> <!-- Restore indent, backup=0 --> </td> <td width="10"></td> </tr> </table>
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