diff --git a/world/net/include/place.gen b/world/net/include/place.gen
index d03b00d..0d7922c 100644
--- a/world/net/include/place.gen
+++ b/world/net/include/place.gen
@@ -146,18 +146,23 @@ inherit NET_PATH "place/mailcast";
 #           ifdef PUBLIC
 inherit NET_PATH "place/public";
 #           else
-	     // special case in the archetype options logic, see also psyconf
-#	     ifndef PLACE_HISTORY
-#	      ifdef PLACE_HISTORY_EXPORT
-#	       define PLACE_HISTORY
+#            ifdef ON_UNKNOWN
+// special place type that supports unknownmsg()
+inherit NET_PATH "place/intercept";
+#            else
+	      // special case in the archetype options logic, see also psyconf
+#	      ifndef PLACE_HISTORY
+#	       ifdef PLACE_HISTORY_EXPORT
+#	        define PLACE_HISTORY
+#	       endif
+#	      endif
+#	      include "place.i"	    // archetype model generator code 2007
+#	      ifdef PLACE_HISTORY
+#	       define HISTORY		    // compatibility
+#	      endif
+#	      ifdef PLACE_OWNED
+#	       define OWNED PLACE_OWNED	    // compatibility
 #	      endif
-#	     endif
-#	     include "place.i"	    // archetype model generator code 2007
-#	     ifdef PLACE_HISTORY
-#	      define HISTORY		    // compatibility
-#	     endif
-#	     ifdef PLACE_OWNED
-#	      define OWNED PLACE_OWNED	    // compatibility
 #	     endif
 #           endif
 #          endif
@@ -583,6 +588,14 @@ msg(source, mc, data, vars) {
 }
 #endif
 
+// this hook only works in archetypes that support it
+#ifdef ON_UNKNOWN
+unknownmsg(source, mc, data, vars) {
+	ON_UNKNOWN
+	::unknownmsg(source, mc, data, vars);
+}
+#endif
+
 #ifdef ON_ENTER
 onEnter(source, mc, data, vars) {
 	ON_ENTER
diff --git a/world/net/place/archetype.gen b/world/net/place/archetype.gen
index ecc05b8..e064383 100644
--- a/world/net/place/archetype.gen
+++ b/world/net/place/archetype.gen
@@ -38,6 +38,7 @@
 # define PLACE_TOPIC			// [+] provide a topic function
 # define PLACE_TOPIC_COMMAND		// [+] provide a /topic command
 //# define PLACE_TOPIC_FOR_ALL		//     allow anybody to set the topic
+//# define PLACE_UNKNOWN_HOOK		//     provide a handler for ON_UNKNOWN
 #endif
 
 // things that every archetype auto-model gets.
@@ -1448,8 +1449,13 @@ msg(source, mc, data, mapping vars) {
 		if (mc == "_message_private") mc = "_message_public";
 		// vorsicht mit _message_public_question und _message_video
 	}
+#ifdef PLACE_UNKNOWN_HOOK
+	unknownmsg(source, mc, data, vars);
+}
+unknownmsg(source, mc, data, vars) {
+#endif
 	/* if the source is not a member of the room and was allowed 
-	 * because of qAllowExternal* we probably should use the rooms
+	 * because of qAllowExternal* we probably should use the room's
 	 * psycName instead of the source
 	 * yes, I admit it, afaik this only fixes bugs in net/jabber!
 	 */
diff --git a/world/net/place/intercept.c b/world/net/place/intercept.c
new file mode 100644
index 0000000..8f1f5be
--- /dev/null
+++ b/world/net/place/intercept.c
@@ -0,0 +1,11 @@
+// special archetype that supports ON_UNKNOWN
+#define PLACE_UNKNOWN_HOOK
+
+#define ESSENTIALS
+#define PLACE_HISTORY
+//#define PLACE_HISTORY_EXPORT
+//#define PLACE_SCRATCHPAD
+//#define PLACE_MASQUERADE
+//#define PLACE_OWNED
+
+#include "archetype.gen"