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howto-html-it-9.1-0.5mdk.noarch.rpm

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<H1>Linux IPCHAINS HOWTO</H1>

<H2>Rusty Russell</H2>v1.0.8, Tue Jul  4 14:20:53 EST 2000
<P><HR>
<EM>Questo documento intende descrivere come ottenere, installare e
configurare il software di ``enhanced IP firewalling chains'' per
Linux, e alcune idee su come si potrebbe usarlo.  Traduzione a cura
di Giovanni Bortolozzo 
<A HREF="mailto:borto@pluto.linux.it">borto at pluto.linux.it</A>.</EM>
<HR>
<P>
<H2><A NAME="toc1">1.</A> <A HREF="IPCHAINS-HOWTO-1.html">Introduzione</A></H2>

<UL>
<LI><A HREF="IPCHAINS-HOWTO-1.html#ss1.1">1.1 Cos'&egrave;?</A>
<LI><A HREF="IPCHAINS-HOWTO-1.html#ss1.2">1.2 Perch&eacute;?</A>
<LI><A HREF="IPCHAINS-HOWTO-1.html#ss1.3">1.3 Come?</A>
<LI><A HREF="IPCHAINS-HOWTO-1.html#ss1.4">1.4 Dove?</A>
</UL>
<P>
<H2><A NAME="toc2">2.</A> <A HREF="IPCHAINS-HOWTO-2.html">Fondamenti di packet filtering</A></H2>

<UL>
<LI><A HREF="IPCHAINS-HOWTO-2.html#ss2.1">2.1 Cos'&egrave;?</A>
<LI><A HREF="IPCHAINS-HOWTO-2.html#ss2.2">2.2 Perch&eacute;?</A>
<LI><A HREF="IPCHAINS-HOWTO-2.html#ss2.3">2.3 Come?</A>
</UL>
<P>
<H2><A NAME="toc3">3.</A> <A HREF="IPCHAINS-HOWTO-3.html">Sono confuso!  Instradamento, masquerading, portforwarding, ipautofw...</A></H2>

<UL>
<LI><A HREF="IPCHAINS-HOWTO-3.html#ss3.1">3.1 Le tre linee guida di Rusty al masquerading</A>
<LI><A HREF="IPCHAINS-HOWTO-3.html#ss3.2">3.2 Promozione gratuita: WatchGuard</A>
<LI><A HREF="IPCHAINS-HOWTO-3.html#ss3.3">3.3 Configurazioni comuni di firewall</A>
<LI><A HREF="IPCHAINS-HOWTO-3.html#ss3.4">3.4 Ulteriori informazioni sul masquerading</A>
</UL>
<P>
<H2><A NAME="toc4">4.</A> <A HREF="IPCHAINS-HOWTO-4.html">IP Firewall Chains</A></H2>

<UL>
<LI><A HREF="IPCHAINS-HOWTO-4.html#ss4.1">4.1 Come passano i pacchetti attraverso i filtri</A>
<LI><A HREF="IPCHAINS-HOWTO-4.html#ss4.2">4.2 Un utile esempio</A>
</UL>
<P>
<H2><A NAME="toc5">5.</A> <A HREF="IPCHAINS-HOWTO-5.html">Miscellanea</A></H2>

<UL>
<LI><A HREF="IPCHAINS-HOWTO-5.html#ss5.1">5.1 Come organizzare le proprie regole firewall</A>
<LI><A HREF="IPCHAINS-HOWTO-5.html#ss5.2">5.2 Cosa non filtrare</A>
<LI><A HREF="IPCHAINS-HOWTO-5.html#ss5.3">5.3 Filtrare i Ping della Morte</A>
<LI><A HREF="IPCHAINS-HOWTO-5.html#ss5.4">5.4 Filtrare Teardrop e Bonk</A>
<LI><A HREF="IPCHAINS-HOWTO-5.html#ss5.5">5.5 Filtrare i Fragment Bomb</A>
<LI><A HREF="IPCHAINS-HOWTO-5.html#ss5.6">5.6 Cambiare le regole firewall</A>
<LI><A HREF="IPCHAINS-HOWTO-5.html#ss5.7">5.7 Come proteggersi dall'IP Spoofing?</A>
<LI><A HREF="IPCHAINS-HOWTO-5.html#ss5.8">5.8 Progetti avanzati</A>
<LI><A HREF="IPCHAINS-HOWTO-5.html#ss5.9">5.9 Estensioni future</A>
</UL>
<P>
<H2><A NAME="toc6">6.</A> <A HREF="IPCHAINS-HOWTO-6.html">Problemi comuni</A></H2>

<UL>
<LI><A HREF="IPCHAINS-HOWTO-6.html#ss6.1">6.1 ipchains -L si pianta!</A>
<LI><A HREF="IPCHAINS-HOWTO-6.html#ss6.2">6.2 Le opzioni negate non funzionano!</A>
<LI><A HREF="IPCHAINS-HOWTO-6.html#ss6.3">6.3 Masquerading/Forwarding non funziona!</A>
<LI><A HREF="IPCHAINS-HOWTO-6.html#ss6.4">6.4 -j REDIR non funziona!</A>
<LI><A HREF="IPCHAINS-HOWTO-6.html#ss6.5">6.5 Non funzionano i caratteri jolly nelle interfacce!</A>
<LI><A HREF="IPCHAINS-HOWTO-6.html#ss6.6">6.6 TOS non funziona!</A>
<LI><A HREF="IPCHAINS-HOWTO-6.html#ss6.7">6.7 Non funzionano ipautofw e ipportfw!</A>
<LI><A HREF="IPCHAINS-HOWTO-6.html#ss6.8">6.8 xosview si &egrave; rotto!</A>
<LI><A HREF="IPCHAINS-HOWTO-6.html#ss6.9">6.9 Segmentation Fault con `-j REDIRECT'!</A>
<LI><A HREF="IPCHAINS-HOWTO-6.html#ss6.10">6.10 Non riesco a impostare i timeout del masquerading!</A>
<LI><A HREF="IPCHAINS-HOWTO-6.html#ss6.11">6.11 Voglio dei firewall IPX!</A>
</UL>
<P>
<H2><A NAME="toc7">7.</A> <A HREF="IPCHAINS-HOWTO-7.html">Un esempio pi&ugrave; serio</A></H2>

<UL>
<LI><A HREF="IPCHAINS-HOWTO-7.html#ss7.1">7.1 La situazione</A>
<LI><A HREF="IPCHAINS-HOWTO-7.html#ss7.2">7.2 Scopi</A>
<LI><A HREF="IPCHAINS-HOWTO-7.html#ss7.3">7.3 Prima del filtraggio dei pacchetti</A>
<LI><A HREF="IPCHAINS-HOWTO-7.html#ss7.4">7.4 Filtraggio dei pacchetti per i pacchetti di passaggio</A>
<LI><A HREF="IPCHAINS-HOWTO-7.html#ss7.5">7.5 Per finire</A>
</UL>
<P>
<H2><A NAME="toc8">8.</A> <A HREF="IPCHAINS-HOWTO-8.html">Appendice: Differenze tra ipchains e ipfwadm</A></H2>

<UL>
<LI><A HREF="IPCHAINS-HOWTO-8.html#ss8.1">8.1 Tabella di riferimento rapido</A>
<LI><A HREF="IPCHAINS-HOWTO-8.html#ss8.2">8.2 Esempi di traduzione di comandi ipfwadm</A>
</UL>
<P>
<H2><A NAME="toc9">9.</A> <A HREF="IPCHAINS-HOWTO-9.html">Appendice: Usare lo script ipfwadm-wrapper.</A></H2>

<P>
<H2><A NAME="toc10">10.</A> <A HREF="IPCHAINS-HOWTO-10.html">Appendice: Ringraziamenti.</A></H2>

<UL>
<LI><A HREF="IPCHAINS-HOWTO-10.html#ss10.1">10.1 Traduzioni</A>
</UL>
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