diff --git a/examples/simple_repeater/MyMesh.cpp b/examples/simple_repeater/MyMesh.cpp
index 24e88949..0c8318f7 100644
--- a/examples/simple_repeater/MyMesh.cpp
+++ b/examples/simple_repeater/MyMesh.cpp
@@ -416,7 +416,9 @@ bool MyMesh::isLooped(const mesh::Packet* packet, const uint8_t max_counters[])
 bool MyMesh::allowPacketForward(const mesh::Packet *packet) {
   if (_prefs.disable_fwd) return false;
   if (packet->isRouteFlood() && packet->getPathHashCount() >= _prefs.flood_max) return false;
-  if (packet->isRouteFlood() && recv_pkt_region == NULL) {
+  if (packet->isRouteFlood() && packet->hasTransportCodes() && packet->transport_codes[0] == TRANSPORT_CODE_ALL) {
+    // ALL region: always forward regardless of region config
+  } else if (packet->isRouteFlood() && recv_pkt_region == NULL) {
     MESH_DEBUG_PRINTLN("allowPacketForward: unknown transport code, or wildcard not allowed for FLOOD packet");
     return false;
   }
@@ -535,12 +537,40 @@ uint32_t MyMesh::getDirectRetransmitDelay(const mesh::Packet *packet) {
 bool MyMesh::filterRecvFloodPacket(mesh::Packet* pkt) {
   // just try to determine region for packet (apply later in allowPacketForward())
   if (pkt->getRouteType() == ROUTE_TYPE_TRANSPORT_FLOOD) {
-    recv_pkt_region = region_map.findMatch(pkt, REGION_DENY_FLOOD);
+    if (pkt->transport_codes[0] == TRANSPORT_CODE_ALL) {
+      recv_pkt_region = &region_map.getWildcard();  // ALL: always allow
+    } else {
+      recv_pkt_region = region_map.findMatch(pkt, REGION_DENY_FLOOD);
+    }
   } else if (pkt->getRouteType() == ROUTE_TYPE_FLOOD) {
-    if (region_map.getWildcard().flags & REGION_DENY_FLOOD) {
+    // untagged packet: tag with home region if one is configured
+    RegionEntry* home = region_map.getHomeRegion();
+    if (home && home->id != 0) {
+      // calculate transport code for home region and stamp onto packet
+      TransportKey key;
+      if (home->name[0] == '$') {
+        // private region: load key from store
+        if (key_store.loadKeysFor(home->id, &key, 1) < 1) {
+          recv_pkt_region = NULL;
+          return false;
+        }
+      } else if (home->name[0] == '#') {
+        key_store.getAutoKeyFor(home->id, home->name, key);
+      } else {
+        char tmp[sizeof(home->name) + 1];
+        tmp[0] = '#';
+        strcpy(&tmp[1], home->name);
+        key_store.getAutoKeyFor(home->id, tmp, key);
+      }
+      pkt->transport_codes[0] = key.calcTransportCode(pkt);
+      pkt->transport_codes[1] = 0;
+      pkt->header = (pkt->header & ~PH_ROUTE_MASK) | ROUTE_TYPE_TRANSPORT_FLOOD;
+
+      recv_pkt_region = home;
+    } else if (region_map.getWildcard().flags & REGION_DENY_FLOOD) {
       recv_pkt_region = NULL;
     } else {
-      recv_pkt_region =  &region_map.getWildcard();
+      recv_pkt_region = &region_map.getWildcard();
     }
   } else {
     recv_pkt_region = NULL;
diff --git a/src/Packet.h b/src/Packet.h
index 78619546..f566e3d3 100644
--- a/src/Packet.h
+++ b/src/Packet.h
@@ -16,6 +16,8 @@ namespace mesh {
 #define ROUTE_TYPE_DIRECT            0x02    // direct route, 'path' is supplied
 #define ROUTE_TYPE_TRANSPORT_DIRECT  0x03    // direct route + transport codes
 
+#define TRANSPORT_CODE_ALL           0xFFFF  // special transport code: forward to all regions
+
 #define PAYLOAD_TYPE_REQ         0x00    // request (prefixed with dest/src hashes, MAC) (enc data: timestamp, blob)
 #define PAYLOAD_TYPE_RESPONSE    0x01    // response to REQ or ANON_REQ (prefixed with dest/src hashes, MAC) (enc data: timestamp, blob)
 #define PAYLOAD_TYPE_TXT_MSG     0x02    // a plain text message (prefixed with dest/src hashes, MAC) (enc data: timestamp, text)