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Some provider tweaks
git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@7118 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
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@ -127,19 +127,20 @@
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<para>isusable -- (Added in Shorewall-perl version 4.0.3) invoked when
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<para>isusable -- (Added in Shorewall-perl version 4.0.3) invoked when
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Shorewall is trying to determine the usability of the network
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Shorewall is trying to determine the usability of the network
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interface associated with an optional entry in
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interface associated with an optional entry in
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/etc/shorewall/providers. $1 is the name of the interface which will
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<filename>/etc/shorewall/providers</filename>. $1 is the name of the
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have been determined to be up and configured before the script is
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interface which will have been determined to be up and configured
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invoked. The return value from the script indicates whether or not the
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before the script is invoked. The return value from the script
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interface is usable (0 = usable, other = unusable).</para>
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indicates whether or not the interface is usable (0 = usable, other =
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unusable).</para>
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<para>Example:<programlisting># Ping a gateway through the passed interface
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<para>Example:<programlisting># Ping a gateway through the passed interface
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case $1 in
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case $1 in
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eth0)
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eth0)
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ping -c 4 -I eth0 206.124.146.254 > /dev/null 2>&1
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ping -c 4 -t 1 -I eth0 206.124.146.254 > /dev/null 2>&1
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return
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return
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;;
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;;
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eth1)
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eth1)
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ping -c 4 -I eth1 192.168.12.254 > /dev/null 2>&1
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ping -c 4 -t 1 -I eth1 192.168.12.254 > /dev/null 2>&1
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return
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return
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;;
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;;
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*)
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*)
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@ -23,8 +23,9 @@
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<title>Description</title>
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<title>Description</title>
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<para>This file is used to define the hosts that are accessible when the
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<para>This file is used to define the hosts that are accessible when the
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firewall is stopped or when it is in the process of being
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firewall is stopped or is being stopped. When shorewall-shell is being
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[re]started.</para>
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used, the file also determines those hosts that are accessible when the
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firewall is in the process of being [re]started.</para>
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<para>The columns in the file are as follows.</para>
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<para>The columns in the file are as follows.</para>
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