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<meta name="ProgId" content="FrontPage.Editor.Document">
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<title>Shorewall Features</title>
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<body>
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<table border="0" cellpadding="0" cellspacing="0"
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style="border-collapse: collapse;" bordercolor="#111111" width="100%"
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<tbody>
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<td width="100%">
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<h1 align="center"><font color="#ffffff">Shorewall Features</font></h1>
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</td>
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</tr>
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</tbody>
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</table>
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<ul>
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<li>Uses Netfilter's connection tracking facilities for stateful packet
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filtering.</li>
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<li>Can be used in a <b> wide range of router/firewall/gateway applications</b>.
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<ul>
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<li>Completely customizable using configuration files.</li>
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<li>No limit on the number of network interfaces.</li>
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<li>Allows you to partitions the network into <i><a
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href="Documentation.htm#Zones">zones</a></i> and gives you complete
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control over the connections permitted between each pair of zones.</li>
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<li>Multiple interfaces per zone and multiple zones per interface
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permitted.</li>
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<li>Supports nested and overlapping zones.</li>
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</ul>
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</li>
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<li> <a href="shorewall_quickstart_guide.htm">QuickStart Guides (HOWTOs)</a>
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to help get your first firewall up and running quickly</li>
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<li>Extensive <b> <a
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href="shorewall_quickstart_guide.htm#Documentation">documentation</a>
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</b> included in the .tgz and .rpm downloads.</li>
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<li><b>Flexible address management/routing support</b> (and you can
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use all types in the same firewall):
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<ul>
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<li><a href="Documentation.htm#Masq">Masquerading/SNAT</a></li>
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<li><a href="Documentation.htm#PortForward">Port Forwarding (DNAT)</a>.</li>
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<li><a href="Documentation.htm#NAT"> Static NAT</a>.</li>
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<li><a href="Documentation.htm#ProxyArp"> Proxy ARP</a>.</li>
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<li>Simple host/subnet Routing</li>
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</ul>
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</li>
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<li><a href="blacklisting_support.htm"><b>Blacklisting</b></a> of individual
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IP addresses and subnetworks is supported.</li>
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<li><b><a href="starting_and_stopping_shorewall.htm">Operational support</a></b>:
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<ul>
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<li>Commands to start, stop and clear the firewall</li>
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<li>Supports status monitoring with an audible alarm
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when an "interesting" packet is detected.</li>
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<li>Wide variety of informational commands.</li>
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</ul>
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</li>
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<li><b>VPN Support</b>
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<ul>
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<li><a href="Documentation.htm#Tunnels">IPSEC, GRE,<2C> IPIP and
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OpenVPN Tunnels</a>.</li>
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<li><a href="PPTP.htm">PPTP </a> clients and Servers.</li>
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</ul>
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</li>
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<li>Support for <a href="traffic_shaping.htm"><b>Traffic Control/Shaping</b></a>
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integration.</li>
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<li>Wide support for different <b>GNU/Linux Distributions</b>.
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<ul>
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<li><a href="Install.htm#Install_RPM"><b>RPM</b></a> and <a
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href="http://security.dsi.unimi.it/%7Elorenzo/debian.html"><b>Debian</b></a>
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packages available.</li>
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<li>Includes <a href="Install.htm"><b>automated install, upgrade,
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fallback and uninstall facilities</b></a> for users who can't use
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or choose not to use the RPM or Debian packages.</li>
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<li>Included as a standard part of<b> <a
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href="http://leaf.sourceforge.net/devel/jnilo"> LEAF/Bering</a> </b>(router/firewall
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on a floppy, CD or compact flash).</li>
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</ul>
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</li>
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<li><a href="MAC_Validation.html">Media Access Control (<b>MAC</b>) Address
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<b>Verification</b><br>
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</a><br>
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</li>
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</ul>
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<p><font size="2">Last updated 1/31/2003 - <a href="support.htm">Tom Eastep</a></font></p>
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<p align="left"><font face="Trebuchet MS"><a href="copyright.htm"> <font
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size="2">Copyright</font> <20> <font size="2">2001-2003 Thomas M. Eastep.</font></a></font><br>
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</p>
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<br>
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</body>
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</html>
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