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From ceeba568bf66491826fdd2c16002890375790a4f Mon Sep 17 00:00:00 2001
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Message-Id: <ceeba568bf66491826fdd2c16002890375790a4f@dist-git>
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From: Ales Musil <amusil@redhat.com>
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Date: Sun, 29 Jul 2018 16:56:18 +0200
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Subject: [PATCH] examples: Add clean-traffic-gateway into nwfilters
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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The filter purpose is to simulate isolated private VLAN.
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The behavior can be achieved by limiting network traffic
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to traffic between VM and gateway. Because there is no
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concept of the PVLAN in the linux bridge.
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The filter also contains parts from clean-traffic
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to prevent VM from spoofing its IP and MAC address.
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To use this filter the user just needs to set
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the GATEWAY_MAC variable to gateway MAC address.
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Signed-off-by: Ales Musil <amusil@redhat.com>
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Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
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(cherry picked from commit ac01fbc90b7eb4ccc7a6140d618d1a3859365155)
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https://bugzilla.redhat.com/show_bug.cgi?id=1603115
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Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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.../xml/nwfilter/clean-traffic-gateway.xml | 34 +++++++++++++++++++
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1 file changed, 34 insertions(+)
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create mode 100644 examples/xml/nwfilter/clean-traffic-gateway.xml
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diff --git a/examples/xml/nwfilter/clean-traffic-gateway.xml b/examples/xml/nwfilter/clean-traffic-gateway.xml
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new file mode 100644
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index 0000000000..b8c204041a
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--- /dev/null
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+++ b/examples/xml/nwfilter/clean-traffic-gateway.xml
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@@ -0,0 +1,34 @@
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+<filter name='clean-traffic-gateway'>
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+
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+ from a VM by
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+ - preventing MAC spoofing -->
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+ <filterref filter='no-mac-spoofing'/>
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+
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+
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+ <filterref filter='no-ip-spoofing'/>
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+
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+
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+ <filterref filter='no-arp-spoofing'/>
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+
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+
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+ <rule action='accept' direction='inout' priority='-500'>
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+ <mac protocolid='arp'/>
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+ </rule>
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+
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+
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+ <rule action='accept' direction='in'>
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+ <mac match='yes' srcmacaddr='$GATEWAY_MAC'/>
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+ </rule>
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+
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+
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+ <rule action='accept' direction='out'>
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+ <mac match='yes' dstmacaddr='$GATEWAY_MAC'/>
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+ </rule>
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+
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+
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+ and ARP -->
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+ <filterref filter='no-other-l2-traffic'/>
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+
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+
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+ <filterref filter='qemu-announce-self'/>
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+</filter>
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--
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2.18.0
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