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	<title>FreeLix nat - Cronologia</title>
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		<title>Mazzotti il 17:04, 27 nov 2007</title>
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		<updated>2007-11-27T17:04:30Z</updated>

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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Versione meno recente&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Versione delle 17:04, 27 nov 2007&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l17&quot; &gt;Riga 17:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Riga 17:&lt;/td&gt;&lt;/tr&gt;
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&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| valign=&amp;quot;top&amp;quot;|'''sintassi'''&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| valign=&amp;quot;top&amp;quot;|'''sintassi'''&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| Ricordiamoci come avviene il flusso dei dati su iptables:&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;| Ricordiamoci come avviene il flusso dei dati su &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;[[iptables_chain|&lt;/ins&gt;iptables&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;]]&lt;/ins&gt;:&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
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&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;| elaborazione locale&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;| pacchetto nell'interfaccia&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;| mangle POSTROUTING&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;|- align=&amp;quot;center&amp;quot;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;| &lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;| pacchetto sul filo&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;| nat POSTROUTING&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;|- align=&amp;quot;center&amp;quot;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;| &lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;| &lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;| pacchetto nell'interfaccia di uscita&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;|- align=&amp;quot;center&amp;quot;&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;| &lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;| &lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;| pacchetto sul filo&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;|}&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Il plugin associato al nat deve intercettare i pacchetti sulla catena di FORWARD e marcarlo con il valore numerico associato a ''idnat''. Viene agganciata la tabella mangle sulla catena FORWARD perchè il valore del marker è valido sono all'interno della stessa catena.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Il plugin associato al nat deve intercettare i pacchetti sulla catena di FORWARD e marcarlo con il valore numerico associato a ''idnat''. Viene agganciata la tabella mangle sulla catena FORWARD perchè il valore del marker è valido sono all'interno della stessa catena.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|-&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|-&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Mazzotti</name></author>
		
	</entry>
	<entry>
		<id>http://wiki.netsitech.com/index.php?title=FreeLix_nat&amp;diff=2273&amp;oldid=prev</id>
		<title>Mazzotti il 16:56, 27 nov 2007</title>
		<link rel="alternate" type="text/html" href="http://wiki.netsitech.com/index.php?title=FreeLix_nat&amp;diff=2273&amp;oldid=prev"/>
		<updated>2007-11-27T16:56:48Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;it&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Versione meno recente&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Versione delle 16:56, 27 nov 2007&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l98&quot; &gt;Riga 98:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Riga 98:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/code&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;/code&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''Vedi anche''' 	[[FreeLix_configure|configure]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;'''Vedi anche''' 	[[FreeLix_configure|configure&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;]], [[FreeLix_global|global&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[FreeLix|Torna all'indice]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[FreeLix|Torna all'indice]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Mazzotti</name></author>
		
	</entry>
	<entry>
		<id>http://wiki.netsitech.com/index.php?title=FreeLix_nat&amp;diff=2272&amp;oldid=prev</id>
		<title>Mazzotti: Nuova pagina: {| style=&quot;color:white&quot; | width=&quot;100%&quot; bgcolor=&quot;darkblue&quot;|&lt;font size=&quot;4&quot;&gt; nat &lt;/font&gt; |}  ::Con questo comando si associano gruppi di indirizzi ad una label numerica. Questa label verr...</title>
		<link rel="alternate" type="text/html" href="http://wiki.netsitech.com/index.php?title=FreeLix_nat&amp;diff=2272&amp;oldid=prev"/>
		<updated>2007-11-27T16:54:30Z</updated>

		<summary type="html">&lt;p&gt;Nuova pagina: {| style=&amp;quot;color:white&amp;quot; | width=&amp;quot;100%&amp;quot; bgcolor=&amp;quot;darkblue&amp;quot;|&amp;lt;font size=&amp;quot;4&amp;quot;&amp;gt; nat &amp;lt;/font&amp;gt; |}  ::Con questo comando si associano gruppi di indirizzi ad una label numerica. Questa label verr...&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Nuova pagina&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{| style=&amp;quot;color:white&amp;quot;&lt;br /&gt;
| width=&amp;quot;100%&amp;quot; bgcolor=&amp;quot;darkblue&amp;quot;|&amp;lt;font size=&amp;quot;4&amp;quot;&amp;gt; nat &amp;lt;/font&amp;gt;&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
::Con questo comando si associano gruppi di indirizzi ad una label numerica. Questa label verrà poi utilizzata per individuare questo insieme di indirizzi.&lt;br /&gt;
&lt;br /&gt;
::'''nat (''' ''interface_name'' ''')''' ''idnat'' '''any''' ''max_conns em_limit''&amp;lt;br&amp;gt;&lt;br /&gt;
::'''nat (''' ''interface_name'' ''')''' ''idnat'' '''host''' ''ip_addr max_conns em_limit''&amp;lt;br&amp;gt;&lt;br /&gt;
::'''nat (''' ''interface_name'' ''')''' ''idnat ip_addr ip_mask max_conns em_limit''&amp;lt;br&amp;gt;&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
{|&lt;br /&gt;
|-&lt;br /&gt;
| width=&amp;quot;200&amp;quot;|'''ambito di utilizzo'''&lt;br /&gt;
| In ''configuration mode''&lt;br /&gt;
|-&lt;br /&gt;
| valign=&amp;quot;top&amp;quot;|'''sintassi'''&lt;br /&gt;
| Ricordiamoci come avviene il flusso dei dati su iptables:&amp;lt;br&amp;gt;&lt;br /&gt;
{| border=&amp;quot;1&amp;quot;&lt;br /&gt;
|- align=&amp;quot;center&amp;quot;&lt;br /&gt;
| '''flussi destinati al firewall'''&lt;br /&gt;
| '''flussi in uscita dal firewall'''&lt;br /&gt;
| '''flussi attraversanti il firewall'''&lt;br /&gt;
|- align=&amp;quot;center&amp;quot;&lt;br /&gt;
| pacchetto sul file&lt;br /&gt;
| elaborazione locale&lt;br /&gt;
| pacchetto sul filo&lt;br /&gt;
|- align=&amp;quot;center&amp;quot;&lt;br /&gt;
| pacchetto nell'interfaccia&lt;br /&gt;
| routing&lt;br /&gt;
| pacchetto nell'interfaccia&lt;br /&gt;
|- align=&amp;quot;center&amp;quot;&lt;br /&gt;
| mangle PREROUTING&lt;br /&gt;
| mangle OUTPUT&lt;br /&gt;
| mangle PREROUTING&lt;br /&gt;
|- align=&amp;quot;center&amp;quot;&lt;br /&gt;
| nat PREROUTING&lt;br /&gt;
| nat OUTPUT&lt;br /&gt;
| nat PREROUTING&lt;br /&gt;
|- align=&amp;quot;center&amp;quot;&lt;br /&gt;
| routing&lt;br /&gt;
| filter OUTPUT&lt;br /&gt;
| routing&lt;br /&gt;
|- align=&amp;quot;center&amp;quot;&lt;br /&gt;
| mangle INPUT&lt;br /&gt;
| mangle POSTROUTING&lt;br /&gt;
| mangle FORWARD&lt;br /&gt;
|- align=&amp;quot;center&amp;quot;&lt;br /&gt;
| filter INPUT&lt;br /&gt;
| nat POSTROUTING&lt;br /&gt;
| filter FORWARD&lt;br /&gt;
|- align=&amp;quot;center&amp;quot;&lt;br /&gt;
| elaborazione locale&lt;br /&gt;
| pacchetto nell'interfaccia&lt;br /&gt;
| mangle POSTROUTING&lt;br /&gt;
|- align=&amp;quot;center&amp;quot;&lt;br /&gt;
| &lt;br /&gt;
| pacchetto sul filo&lt;br /&gt;
| nat POSTROUTING&lt;br /&gt;
|- align=&amp;quot;center&amp;quot;&lt;br /&gt;
| &lt;br /&gt;
| &lt;br /&gt;
| pacchetto nell'interfaccia di uscita&lt;br /&gt;
|- align=&amp;quot;center&amp;quot;&lt;br /&gt;
| &lt;br /&gt;
| &lt;br /&gt;
| pacchetto sul filo&lt;br /&gt;
|}&lt;br /&gt;
Il plugin associato al nat deve intercettare i pacchetti sulla catena di FORWARD e marcarlo con il valore numerico associato a ''idnat''. Viene agganciata la tabella mangle sulla catena FORWARD perchè il valore del marker è valido sono all'interno della stessa catena.&amp;lt;br&amp;gt;&lt;br /&gt;
|-&lt;br /&gt;
| valign=&amp;quot;top&amp;quot;|''interface_name'':&lt;br /&gt;
| l'etichetta che identifica uno specifico device di rete.&lt;br /&gt;
|-&lt;br /&gt;
| valign=&amp;quot;top&amp;quot;|''idnat'':&lt;br /&gt;
| l'etichetta numerica che identifica uno specifico gruppo di nat.&lt;br /&gt;
|-&lt;br /&gt;
| valign=&amp;quot;top&amp;quot;|''max_conns'':&lt;br /&gt;
| non utilizzato.&lt;br /&gt;
|-&lt;br /&gt;
| valign=&amp;quot;top&amp;quot;|''em_limit'':&lt;br /&gt;
| non utilizzato.&lt;br /&gt;
|-&lt;br /&gt;
| valign=&amp;quot;top&amp;quot;|'''any''':&lt;br /&gt;
| tutti gli indirizzi provenienti da ''interface_name''.&lt;br /&gt;
|-&lt;br /&gt;
| valign=&amp;quot;top&amp;quot;|''ip_addr''&amp;lt;br&amp;gt;''ip_mask'':&lt;br /&gt;
| indirizzi ip e mask canoniche per identificare un host o un range contiguo di indirizzi.&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
'''esempi''' 	per creare un gruppo di indirizzi eterogeneo associandolo al idnat 1.&lt;br /&gt;
&amp;lt;code&amp;gt;&lt;br /&gt;
nat ( inside ) 1 172.16.0.192 255.255.255.192 0 0&lt;br /&gt;
nat ( inside ) 1 host 172.16.10.1 0 0&lt;br /&gt;
&amp;lt;/code&amp;gt;&lt;br /&gt;
&amp;lt;br&amp;gt;&lt;br /&gt;
'''Vedi anche''' 	[[FreeLix_configure|configure]]&lt;br /&gt;
&amp;lt;br&amp;gt;&lt;br /&gt;
[[FreeLix|Torna all'indice]]&lt;/div&gt;</summary>
		<author><name>Mazzotti</name></author>
		
	</entry>
</feed>