<?xml version="1.0"?>
<?xml-stylesheet type="text/css" href="http://www.linux-vserver.at/skins/common/feed.css?303"?>
<feed xmlns="http://www.w3.org/2005/Atom" xml:lang="en">
		<id>http://www.linux-vserver.at/index.php?action=history&amp;feed=atom&amp;title=Limit_Networking_on_Multihomed_hosts</id>
		<title>Limit Networking on Multihomed hosts - Revision history</title>
		<link rel="self" type="application/atom+xml" href="http://www.linux-vserver.at/index.php?action=history&amp;feed=atom&amp;title=Limit_Networking_on_Multihomed_hosts"/>
		<link rel="alternate" type="text/html" href="http://www.linux-vserver.at/index.php?title=Limit_Networking_on_Multihomed_hosts&amp;action=history"/>
		<updated>2026-04-12T14:32:18Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
		<generator>MediaWiki 1.20.2</generator>

	<entry>
		<id>http://www.linux-vserver.at/index.php?title=Limit_Networking_on_Multihomed_hosts&amp;diff=5076&amp;oldid=prev</id>
		<title>Glenn: -cat</title>
		<link rel="alternate" type="text/html" href="http://www.linux-vserver.at/index.php?title=Limit_Networking_on_Multihomed_hosts&amp;diff=5076&amp;oldid=prev"/>
				<updated>2011-10-21T22:10:21Z</updated>
		
		<summary type="html">&lt;p&gt;-cat&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
			&lt;tr style='vertical-align: top;'&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 22:10, 21 October 2011&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 25:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 25:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Traffic between IPs on the same host won't go the routes outside the host, you need to set up iptables here.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Traffic between IPs on the same host won't go the routes outside the host, you need to set up iptables here.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&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: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;del style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;[[Category:Documentation]]&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;[[Category:Network related]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;[[Category:Network related]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Glenn</name></author>	</entry>

	<entry>
		<id>http://www.linux-vserver.at/index.php?title=Limit_Networking_on_Multihomed_hosts&amp;diff=5045&amp;oldid=prev</id>
		<title>Glenn: + Category:Network related</title>
		<link rel="alternate" type="text/html" href="http://www.linux-vserver.at/index.php?title=Limit_Networking_on_Multihomed_hosts&amp;diff=5045&amp;oldid=prev"/>
				<updated>2011-10-21T21:29:01Z</updated>
		
		<summary type="html">&lt;p&gt;+ &lt;a href=&quot;/Category:Network_related&quot; title=&quot;Category:Network related&quot;&gt;Category:Network related&lt;/a&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
			&lt;tr style='vertical-align: top;'&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 21:29, 21 October 2011&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 26:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 26:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;[[Category:Documentation]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;[[Category:Documentation]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;[[Category:Network related]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Glenn</name></author>	</entry>

	<entry>
		<id>http://www.linux-vserver.at/index.php?title=Limit_Networking_on_Multihomed_hosts&amp;diff=4885&amp;oldid=prev</id>
		<title>Glenn: +cat</title>
		<link rel="alternate" type="text/html" href="http://www.linux-vserver.at/index.php?title=Limit_Networking_on_Multihomed_hosts&amp;diff=4885&amp;oldid=prev"/>
				<updated>2011-10-21T19:20:57Z</updated>
		
		<summary type="html">&lt;p&gt;+cat&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
			&lt;tr style='vertical-align: top;'&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 19:20, 21 October 2011&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 24:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 24:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Issues ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Issues ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Traffic between IPs on the same host won't go the routes outside the host, you need to set up iptables here.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;Traffic between IPs on the same host won't go the routes outside the host, you need to set up iptables here.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;[[Category:Documentation]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Glenn</name></author>	</entry>

	<entry>
		<id>http://www.linux-vserver.at/index.php?title=Limit_Networking_on_Multihomed_hosts&amp;diff=4160&amp;oldid=prev</id>
		<title>AdrianReyer: Issues added</title>
		<link rel="alternate" type="text/html" href="http://www.linux-vserver.at/index.php?title=Limit_Networking_on_Multihomed_hosts&amp;diff=4160&amp;oldid=prev"/>
				<updated>2010-01-13T23:42:49Z</updated>
		
		<summary type="html">&lt;p&gt;Issues added&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
			&lt;tr style='vertical-align: top;'&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 23:42, 13 January 2010&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 21:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 21:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;ip rule add from net-VServer-B/mask table 101&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;ip rule add from net-VServer-B/mask table 101&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&amp;lt;/pre&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&amp;lt;/pre&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;== Issues ==&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;Traffic between IPs on the same host won't go the routes outside the host, you need to set up iptables here.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>AdrianReyer</name></author>	</entry>

	<entry>
		<id>http://www.linux-vserver.at/index.php?title=Limit_Networking_on_Multihomed_hosts&amp;diff=4159&amp;oldid=prev</id>
		<title>AdrianReyer: /* Situation */</title>
		<link rel="alternate" type="text/html" href="http://www.linux-vserver.at/index.php?title=Limit_Networking_on_Multihomed_hosts&amp;diff=4159&amp;oldid=prev"/>
				<updated>2010-01-13T23:01:47Z</updated>
		
		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;Situation&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class='diff diff-contentalign-left'&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
				&lt;col class='diff-marker' /&gt;
				&lt;col class='diff-content' /&gt;
			&lt;tr style='vertical-align: top;'&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
			&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 23:01, 13 January 2010&lt;/td&gt;
			&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Situation ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Situation ==&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: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;You have a multihomed host, e.g. DMZ and LAN or different DMZs and want a single VServer only to &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;e &lt;/del&gt;able to send packets over a specific network.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;You have a multihomed host, e.g. DMZ and LAN or different DMZs and want a single VServer only to &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;be &lt;/ins&gt;able to send packets over a specific network.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&amp;#160;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Solution ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;== Solution ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;I used alternate routing tables:&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;I used alternate routing tables:&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>AdrianReyer</name></author>	</entry>

	<entry>
		<id>http://www.linux-vserver.at/index.php?title=Limit_Networking_on_Multihomed_hosts&amp;diff=4158&amp;oldid=prev</id>
		<title>AdrianReyer: Created page with '== Situation == You have a multihomed host, e.g. DMZ and LAN or different DMZs and want a single VServer only to e able to send packets over a specific network. == Solution == I …'</title>
		<link rel="alternate" type="text/html" href="http://www.linux-vserver.at/index.php?title=Limit_Networking_on_Multihomed_hosts&amp;diff=4158&amp;oldid=prev"/>
				<updated>2010-01-13T22:56:39Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;#039;== Situation == You have a multihomed host, e.g. DMZ and LAN or different DMZs and want a single VServer only to e able to send packets over a specific network. == Solution == I …&amp;#039;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;== Situation ==&lt;br /&gt;
You have a multihomed host, e.g. DMZ and LAN or different DMZs and want a single VServer only to e able to send packets over a specific network.&lt;br /&gt;
== Solution ==&lt;br /&gt;
I used alternate routing tables:&lt;br /&gt;
&lt;br /&gt;
Once (tested on Debian):&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
echo 100 vservera &amp;gt; /etc/iproute2/rt_tables&lt;br /&gt;
echo 101 vserverb &amp;gt; /etc/iproute2/rt_tables&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;br /&gt;
&lt;br /&gt;
After rebooting (write an init script)&lt;br /&gt;
&amp;lt;pre&amp;gt;&lt;br /&gt;
ip route add IP-VServer-A/mask table vservera dev ethA&lt;br /&gt;
ip route add default table vservera via Gateway-A&lt;br /&gt;
ip route add IP-VServer-B/mask table vserverb dev ethB&lt;br /&gt;
ip route add default table vserverb via Gateway-B&lt;br /&gt;
&lt;br /&gt;
ip rule add from net-VServer-A/mask table 100&lt;br /&gt;
ip rule add from net-VServer-B/mask table 101&lt;br /&gt;
&amp;lt;/pre&amp;gt;&lt;/div&gt;</summary>
		<author><name>AdrianReyer</name></author>	</entry>

	</feed>