summaryrefslogtreecommitdiffstats
path: root/doc/manual/conntrack-tools.tmpl
diff options
context:
space:
mode:
Diffstat (limited to 'doc/manual/conntrack-tools.tmpl')
-rw-r--r--doc/manual/conntrack-tools.tmpl7
1 files changed, 7 insertions, 0 deletions
diff --git a/doc/manual/conntrack-tools.tmpl b/doc/manual/conntrack-tools.tmpl
index 47e6f84..63a53e4 100644
--- a/doc/manual/conntrack-tools.tmpl
+++ b/doc/manual/conntrack-tools.tmpl
@@ -660,6 +660,13 @@ Sync {
<sect3 id="sync-expect"><title>Synchronization of expectations</title>
+ <note><title>Check your Linux kernel version first</title>
+ <para>
+ The synchronization of expectations require a Linux kernel &gt;= 3.5
+ to work appropriately.
+ </para>
+ </note>
+
<para>The connection tracking system provides helpers that allows you to
filter multi-flow application protocols like FTP, H.323 and SIP among many
others. These protocols usually split the control and data traffic in