1 files changed, 5 insertions, 0 deletions
diff --git a/NOTICE b/NOTICE
index 4a3e61ca9..6030b8bc1 100644
--- a/NOTICE
+++ b/NOTICE
@@ -38,3 +38,8 @@ Copyright (c) 2008, 2009, 2010 Sten Spans <sten@blinkenlights.nl>
 Auto Attach implementation
 Copyright (c) 2014, 2015 WindRiver, Inc
 Copyright (c) 2014, 2015 Avaya, Inc
+
+TCP connection tracker from FreeBSD pf, BSD licensed
+Copyright (c) 2001 Daniel Hartmeier
+Copyright (c) 2002 - 2008 Henning Brauer
+Copyright (c) 2012 Gleb Smirnoff <glebius@FreeBSD.org>