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-rw-r--r--doc/smokeping_upgrade.pod6
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/smokeping_upgrade.pod b/doc/smokeping_upgrade.pod
index 724cc2e..9fa76a4 100644
--- a/doc/smokeping_upgrade.pod
+++ b/doc/smokeping_upgrade.pod
@@ -23,6 +23,12 @@ An official list of changes with each release can be found in the CHANGES
file in the Smokeping distribution. This document tries to complement
that with upgrading instructions etc.
+=head1 2.3.3 to 2.3.4
+
+The communication protocol between master and slave has been made more
+secure. This requires that BOTH master and slave are upgraded to continue
+working.
+
=head1 2.2.x to 2.3.x
2.3.0 is mainly about new features. Check out the reference documentation on