shorewall_setup_guide.xml (shorewall-docs-xml-5.2.3.6.tar.bz2) | : | shorewall_setup_guide.xml (shorewall-docs-xml-5.2.6.tar.bz2) | ||
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</tbody> | </tbody> | |||
</tgroup> | </tgroup> | |||
</table> | </table> | |||
<para>So any address <emphasis role="bold">a.b.c.d</emphasis> may also | <para>So any address <emphasis role="bold">a.b.c.d</emphasis> may also | |||
be written <emphasis role="bold">a.b.c.d/32</emphasis> and the set of | be written <emphasis role="bold">a.b.c.d/32</emphasis> and the set of | |||
all possible IP addresses is written <emphasis | all possible IP addresses is written <emphasis | |||
role="bold">0.0.0.0/0</emphasis>.</para> | role="bold">0.0.0.0/0</emphasis>.</para> | |||
<para role="bold">A Shorewall user has contributed a <ulink | <para role="bold">A Shorewall user has contributed a <ulink | |||
url="http://shorewall.net/pub/shorewall/contrib/IPSubNetMask.html">useful | url="https://shorewall.org/pub/shorewall/contrib/IPSubNetMask.html">useful | |||
graphical summary</ulink> of the above information.</para> | graphical summary</ulink> of the above information.</para> | |||
<para>Later in this guide, you will see the notation <emphasis | <para>Later in this guide, you will see the notation <emphasis | |||
role="bold">a.b.c.d/v</emphasis> used to describe the ip configuration | role="bold">a.b.c.d/v</emphasis> used to describe the ip configuration | |||
of a network interface (the <quote>ip</quote> utility also uses this | of a network interface (the <quote>ip</quote> utility also uses this | |||
syntax). This simply means that the interface is configured with ip | syntax). This simply means that the interface is configured with ip | |||
address <emphasis role="bold">a.b.c.d</emphasis> and with the netmask | address <emphasis role="bold">a.b.c.d</emphasis> and with the netmask | |||
that corresponds to VLSM /<emphasis role="bold">v</emphasis>.</para> | that corresponds to VLSM /<emphasis role="bold">v</emphasis>.</para> | |||
<example id="Example0"> | <example id="Example0"> | |||
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