diff --git a/Shorewall/Macros/macro.SSDPServer b/Shorewall/Macros/macro.SSDPserver
similarity index 50%
rename from Shorewall/Macros/macro.SSDPServer
rename to Shorewall/Macros/macro.SSDPserver
index 2507f7ce3..ddbb276f8 100644
--- a/Shorewall/Macros/macro.SSDPServer
+++ b/Shorewall/Macros/macro.SSDPserver
@@ -1,9 +1,10 @@
 #
-# Shorewall -- /usr/share/shorewall/macro.SSDP
+# Shorewall -- /usr/share/shorewall/macro.SSDPserver
 #
-# This macro handles SSDP (used by DLNA/UPnP) client traffic.
+# This macro handles SSDP (used by DLNA/UPnP) server bidirectional traffic.
 #
 ###############################################################################
 #ACTION	SOURCE	DEST	PROTO	DPORT	SPORT	ORIGDEST	RATE	USER
 
 PARAM	-	-	udp	1900
+PARAM	DEST	SOURCE	udp	-	1900