shorewall_code/STABLE/documentation/shorewall_features.htm
teastep 48719a6621 Initial revision
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<h1 align="center"><!--mstheme--><font face="times new roman, Times New Roman, Times" color="#666666">Shorewall Features<!--mstheme--></font></h1>
<!--mstheme--></font><!--msthemelist--><table border="0" cellpadding="0" cellspacing="0" width="100%">
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul1.gif" width="15" height="15" hspace="13" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica">Uses Netfilter's connection tracking facilities for stateful packet
filtering.<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul1.gif" width="15" height="15" hspace="13" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica">Can be used in a <b> wide range of router/firewall/gateway applications</b>.
<!--mstheme--></font><!--msthemelist--><table border="0" cellpadding="0" cellspacing="0" width="100%">
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica">Completely customizable using configuration files.<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica">No limit on the number of network interfaces.<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica">Allows you to partitions the network into <i><a href="Documentation.htm#Zones">zones</a></i>
and gives you complete control over the connections permitted between
each pair of zones.<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica">Multiple interfaces per zone and multiple zones per interface
permitted.<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica">Supports nested and overlapping zones.<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--></table><!--mstheme--><font face="arial, Arial, Helvetica">
<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul1.gif" width="15" height="15" hspace="13" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica"> <a href="shorewall_quickstart_guide.htm">QuickStart Guides</a> to help
get your first firewall up and running quickly<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul1.gif" width="15" height="15" hspace="13" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica">Extensive <b> <a href="Documentation_Index.htm" target="_top">documentation</a> </b>
included in the .tgz and .rpm downloads.<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul1.gif" width="15" height="15" hspace="13" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica"><b>Flexible address management/routing support</b> (and you can use all
types in the same firewall):
<!--mstheme--></font><!--msthemelist--><table border="0" cellpadding="0" cellspacing="0" width="100%">
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica"><a href="Documentation.htm#Masq">Masquerading/SNAT</a><!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica"><a href="Documentation.htm#PortForward">Port Forwarding (DNAT)</a>.<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica"><a href="Documentation.htm#NAT">
Static NAT</a>.<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica"><a href="Documentation.htm#ProxyArp">
Proxy ARP</a>.<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica">Simple host/subnet Routing<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--></table><!--mstheme--><font face="arial, Arial, Helvetica">
<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul1.gif" width="15" height="15" hspace="13" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica"><a href="blacklisting_support.htm"><b>Blacklisting</b></a> of individual
IP addresses and subnetworks is supported.<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul1.gif" width="15" height="15" hspace="13" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica"><a href="Documentation.htm#Starting"><b>Operational support</b></a>:
<!--mstheme--></font><!--msthemelist--><table border="0" cellpadding="0" cellspacing="0" width="100%">
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica">Commands to start, stop and clear the firewall<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica">Supports status monitoring
with an audible alarm when an "interesting" packet is detected.<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica">Wide variety of informational commands.<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--></table><!--mstheme--><font face="arial, Arial, Helvetica">
<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul1.gif" width="15" height="15" hspace="13" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica"><b>VPN Support</b>
<!--mstheme--></font><!--msthemelist--><table border="0" cellpadding="0" cellspacing="0" width="100%">
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica"><a href="Documentation.htm#Tunnels">IPSEC, GRE and IPIP
Tunnels</a>.<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica"><a href="PPTP.htm">PPTP </a> clients and Servers.<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--></table><!--mstheme--><font face="arial, Arial, Helvetica">
<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul1.gif" width="15" height="15" hspace="13" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica">Support for <a href="traffic_shaping.htm"><b>Traffic Control/Shaping</b></a>
integration.<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul1.gif" width="15" height="15" hspace="13" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica">Wide support for different <b>GNU/Linux Distributions</b>.
<!--mstheme--></font><!--msthemelist--><table border="0" cellpadding="0" cellspacing="0" width="100%">
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica"><a href="Install.htm#Install_RPM"><b>RPM</b></a> and <a href="http://security.dsi.unimi.it/~lorenzo/debian.html"><b>Debian</b></a>
packages available.<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica">Includes <a href="Install.htm"><b>automated install, upgrade, fallback
and uninstall facilities</b></a> for users who can't use or choose not
to use the RPM or Debian packages.<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--><tr><td valign="baseline" width="42"><img src="_themes/radial/aradbul2.gif" width="12" height="12" hspace="15" alt="bullet"></td><td valign="top" width="100%"><!--mstheme--><font face="arial, Arial, Helvetica">Compatible with 2.4-kernel based versions of <b> <a href="http://leaf.sourceforge.net">
LEAF</a>
</b>
.<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--></table><!--mstheme--><font face="arial, Arial, Helvetica">
<!--mstheme--></font><!--msthemelist--></td></tr>
<!--msthemelist--></table><!--mstheme--><font face="arial, Arial, Helvetica">
<p><font size="2">Last updated 7/14/2002 - <a href="support.htm">Tom
Eastep</a></font></p>
<p align="left"><font face="Trebuchet MS"><a href="copyright.htm">
<font size="2">Copyright</font> <20> <font size="2">2001,2002 Thomas M. Eastep.</font></a></font></p>
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