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<H1>Fire-walling and packets accounting</H1>
<H2>Introduction</H2>
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<H2><A NAME="toc1">1.</A> <A HREF="firewall-1.html">Tasks</A></H2>
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<H2><A NAME="toc2">2.</A> <A HREF="firewall-2.html">Packet filtering</A></H2>
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<H2><A NAME="toc3">3.</A> <A HREF="firewall-3.html">Bidirectional rules</A></H2>
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<H2><A NAME="toc4">4.</A> <A HREF="firewall-4.html">Blocking rules</A></H2>
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<H2><A NAME="toc5">5.</A> <A HREF="firewall-5.html">Forwarding rules</A></H2>
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<H2><A NAME="toc6">6.</A> <A HREF="firewall-6.html">Activating rules globally or selectively</A></H2>
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<H2><A NAME="toc7">7.</A> <A HREF="firewall-7.html">When everything goes wrong</A></H2>
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<H2><A NAME="toc8">8.</A> <A HREF="firewall-8.html">The logic of firewalling with linuxconf</A></H2>
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<LI><A HREF="firewall-8.html#ss8.1">8.1 Positive logic</A>
<LI><A HREF="firewall-8.html#ss8.2">8.2 A pre-cooked firewall solution</A>
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<H2><A NAME="toc9">9.</A> <A HREF="firewall-9.html">State of the fire-walling support in <EM>Linuxconf</EM></A></H2>
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