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<base href="https://bugzilla.netfilter.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Window Tracking not disabled"
href="https://bugzilla.netfilter.org/show_bug.cgi?id=1087">1087</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Window Tracking not disabled
</td>
</tr>
<tr>
<th>Product</th>
<td>conntrack-tools
</td>
</tr>
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<th>Version</th>
<td>unspecified
</td>
</tr>
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<th>Hardware</th>
<td>x86_64
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</td>
</tr>
<tr>
<th>Priority</th>
<td>P5
</td>
</tr>
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<th>Component</th>
<td>conntrack-daemon
</td>
</tr>
<tr>
<th>Assignee</th>
<td>netfilter-buglog@lists.netfilter.org
</td>
</tr>
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<th>Reporter</th>
<td>mat999@gmail.com
</td>
</tr></table>
<p>
<div>
<pre>Hi,
I have been conducting testing and I noticed that Window Tracking does not
appear to be disabled on a per connection level upon receipt.
Kernel: 4.1.17
Version: v1.4.3
To Replicate:
First ensure Configuration contains "TCPWindowTracking Off"
Ensure that /proc/sys/net/ipv4/netfilter/ip_conntrack_tcp_be_liberal is set to
"0"
Sync'ed connections out of window will fail. I tested this by triggering a BGP
PoP switch.
Then Set /proc/sys/net/ipv4/netfilter/ip_conntrack_tcp_be_liberal to "1".
It now works.</pre>
</div>
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