diff --git a/xwords4/relay/crefmgr.cpp b/xwords4/relay/crefmgr.cpp
index 766d50d73..2e5e225a2 100644
--- a/xwords4/relay/crefmgr.cpp
+++ b/xwords4/relay/crefmgr.cpp
@@ -240,7 +240,7 @@ CRefMgr::GetStats( CrefMgrInfo& mgrInfo )
     if ( 0 == m_ports.length() ) {
         RelayConfigs* cfg = RelayConfigs::GetConfigs();
         vector<int> ints;
-        if ( cfg->GetValueFor( "PORTS", ints ) ) {
+        if ( cfg->GetValueFor( "GAME_PORTS", ints ) ) {
             vector<int>::const_iterator iter;
             for ( iter = ints.begin(); ; ) {
                 char buf[8];
diff --git a/xwords4/relay/lstnrmgr.cpp b/xwords4/relay/lstnrmgr.cpp
index bbfa9623c..81dfb155b 100644
--- a/xwords4/relay/lstnrmgr.cpp
+++ b/xwords4/relay/lstnrmgr.cpp
@@ -29,11 +29,11 @@
 #include "mlock.h"
 
 bool
-ListenerMgr::AddListener( int port )
+ListenerMgr::AddListener( int port, bool perGame )
 {
     logf( XW_LOGINFO, "%s(%d)", __func__, port );
     MutexLock ml( &m_mutex );
-    return addOne( port );
+    return addOne( port, perGame );
 }
 
 void 
@@ -43,9 +43,9 @@ ListenerMgr::SetAll( const vector<int>* ivp )
     MutexLock ml( &m_mutex );
 
     vector<int> have;
-    map<int,int>::iterator iter2 = m_socks_to_ports.begin();
+    map<int,pair<int,bool> >::iterator iter2 = m_socks_to_ports.begin();
     while ( iter2 != m_socks_to_ports.end() ) {
-        have.push_back(iter2->second);
+        have.push_back(iter2->second.first);
         ++iter2;
     }
     std::sort(have.begin(), have.end());
@@ -61,7 +61,7 @@ ListenerMgr::SetAll( const vector<int>* ivp )
         assert( iHave <= have.size() && iWant <= want.size() );
         while( (iWant < want.size()) 
                && ((iHave == have.size() || want[iWant] < have[iHave])) ) {
-            addOne( want[iWant] );
+            addOne( want[iWant], true );
             ++iWant;
         }
         while ( (iHave < have.size()) 
@@ -90,7 +90,7 @@ ListenerMgr::RemoveAll()
 {
     MutexLock ml( &m_mutex );
     for ( ; ; ) {
-        map<int,int>::const_iterator iter = m_socks_to_ports.begin();
+        map<int,pair<int,bool> >::const_iterator iter = m_socks_to_ports.begin();
         if ( iter == m_socks_to_ports.end() ) {
             break;
         }
@@ -102,7 +102,7 @@ void
 ListenerMgr::AddToFDSet( fd_set* rfds )
 {
     MutexLock ml( &m_mutex );
-    map<int,int>::const_iterator iter = m_socks_to_ports.begin();
+    map<int,pair<int,bool> >::const_iterator iter = m_socks_to_ports.begin();
     while ( iter != m_socks_to_ports.end() ) {
         FD_SET( iter->first, rfds );
         ++iter;
@@ -114,7 +114,7 @@ ListenerMgr::GetHighest()
 {
     int highest = 0;
     MutexLock ml( &m_mutex );
-    map<int,int>::const_iterator iter = m_socks_to_ports.begin();
+    map<int,pair<int,bool> >::const_iterator iter = m_socks_to_ports.begin();
     while ( iter != m_socks_to_ports.end() ) {
         if ( iter->first > highest ) {
             highest = iter->first;
@@ -136,7 +136,7 @@ ListenerMgr::removeSocket( int sock )
 {
     /* Assumption: we have the mutex! */
     logf( XW_LOGINFO, "%s(%d)", __func__, sock );
-    map<int,int>::iterator iter = m_socks_to_ports.find( sock );
+    map<int,pair<int,bool> >::iterator iter = m_socks_to_ports.find( sock );
     assert( iter != m_socks_to_ports.end() );
     m_socks_to_ports.erase(iter);
     close(sock);
@@ -147,9 +147,9 @@ ListenerMgr::removePort( int port )
 {
     /* Assumption: we have the mutex! */
     logf( XW_LOGINFO, "%s(%d)", __func__, port );
-    map<int,int>::iterator iter = m_socks_to_ports.begin();
+    map<int,pair<int,bool> >::iterator iter = m_socks_to_ports.begin();
     while ( iter != m_socks_to_ports.end() ) {
-        if ( iter->second == port ) {
+        if ( iter->second.first == port ) {
             int sock = iter->first;
             close(sock);
             m_socks_to_ports.erase(iter);
@@ -161,7 +161,7 @@ ListenerMgr::removePort( int port )
 }
 
 bool
-ListenerMgr::addOne( int port )
+ListenerMgr::addOne( int port, bool perGame )
 {
     logf( XW_LOGINFO, "%s(%d)", __func__, port );
     /* Assumption: we have the mutex! */
@@ -170,7 +170,8 @@ ListenerMgr::addOne( int port )
     int sock = make_socket( INADDR_ANY, port );
     success = sock != -1;
     if ( success ) {
-        m_socks_to_ports.insert( pair<int,int>(sock, port) );
+        pair<int,bool>entry(port, perGame);
+        m_socks_to_ports.insert( pair<int,pair<int,bool> >(sock, entry ) );
     }
     return success;
 }
@@ -180,9 +181,9 @@ ListenerMgr::portInUse( int port )
 {
     /* Assumption: we have the mutex! */
     bool found = false;
-    map<int,int>::const_iterator iter = m_socks_to_ports.begin();
+    map<int,pair<int,bool> >::const_iterator iter = m_socks_to_ports.begin();
     while ( iter != m_socks_to_ports.end() ) {
-        if ( iter->second == port ) {
+        if ( iter->second.first == port ) {
             found = true;
             break;
         }
@@ -193,10 +194,19 @@ ListenerMgr::portInUse( int port )
 
 int 
 ListenersIter::next()
+{
+    return this->next( NULL );
+}
+
+int 
+ListenersIter::next( bool* perGame )
 {
     int result = -1;
     if ( m_iter != m_lm->m_socks_to_ports.end() ) {
-        result = m_fds? m_iter->first : m_iter->second;
+        result = m_fds? m_iter->first : m_iter->second.first;
+        if ( NULL != perGame ) {
+            *perGame = m_iter->second.second;
+        }
         ++m_iter;
     }
 /*     logf( XW_LOGINFO, "%s=>%d", __func__, result ); */
diff --git a/xwords4/relay/lstnrmgr.h b/xwords4/relay/lstnrmgr.h
index 8960a28e3..67622e8de 100644
--- a/xwords4/relay/lstnrmgr.h
+++ b/xwords4/relay/lstnrmgr.h
@@ -34,7 +34,7 @@ class ListenerMgr {
  public:
     void RemoveAll();
 /*     void RemoveListener( int listener ); */
-    bool AddListener( int port );
+    bool AddListener( int port, bool perGame );
     void SetAll( const vector<int>* iv ); /* replace current set with this new one */
     void AddToFDSet( fd_set* rfds );
     int GetHighest();
@@ -43,10 +43,10 @@ class ListenerMgr {
  private:
     void removeSocket( int sock );
     void removePort( int port );
-    bool addOne( int listener );
+    bool addOne( int listener, bool perGame );
     bool portInUse( int port );
 
-    map<int,int> m_socks_to_ports;
+    map< int,pair<int,bool> > m_socks_to_ports;
     pthread_mutex_t m_mutex;
     friend class ListenersIter;
 };
@@ -65,10 +65,11 @@ class ListenersIter {
     }
 
     int next();
+    int next( bool* perGame );
 
  private:
     bool m_fds;
-    map<int,int>::const_iterator m_iter;
+    map< int,pair<int,bool> >::const_iterator m_iter;
     ListenerMgr* m_lm;
 };
 
diff --git a/xwords4/relay/xwrelay.conf_tmplate b/xwords4/relay/xwrelay.conf_tmplate
index a39ef739b..9ae5e071d 100644
--- a/xwords4/relay/xwrelay.conf_tmplate
+++ b/xwords4/relay/xwrelay.conf_tmplate
@@ -15,9 +15,11 @@ HEARTBEAT=60
 # How many worker threads in the thread pool?  Default is five.
 NTHREADS=3
 
-# What ports do we listen on for incoming connections?
-PORTS=10999
+# What ports do we listen on for per-game incoming connections?
+GAME_PORTS=10999
 #PORTS=10997,10998,10999
+# What ports do we listen on for per-device incoming connections?
+DEVICE_PORTS=10998
 
 # And the control port is?
 CTLPORT=11000
diff --git a/xwords4/relay/xwrelay.cpp b/xwords4/relay/xwrelay.cpp
index 8f9ebac40..6f7d3d5ae 100644
--- a/xwords4/relay/xwrelay.cpp
+++ b/xwords4/relay/xwrelay.cpp
@@ -814,18 +814,19 @@ main( int argc, char** argv )
     (void)sigaction( SIGPIPE, &sact, NULL );
 
     if ( port != 0 ) {
-        g_listeners.AddListener( port );
+        g_listeners.AddListener( port, true );
     }
-    vector<int> ints;
-    if ( !cfg->GetValueFor( "PORTS", ints ) ) {
+    vector<int> ints_game;
+    if ( !cfg->GetValueFor( "GAME_PORTS", ints_game ) ) {
         exit( 1 );
     }
 
-    vector<int>::const_iterator iter;
-    for ( iter = ints.begin(); iter != ints.end(); ++iter ) {
-        int port = *iter;
+    vector<int>::const_iterator iter_game;
+    for ( iter_game = ints_game.begin(); iter_game != ints_game.end(); 
+          ++iter_game ) {
+        int port = *iter_game;
         if ( !g_listeners.PortInUse( port ) ) {
-            if ( !g_listeners.AddListener( port ) ) {
+            if ( !g_listeners.AddListener( port, true ) ) {
                 exit( 1 );
             }
         } else {
@@ -833,6 +834,22 @@ main( int argc, char** argv )
         }
     }
 
+    vector<int> ints_device;
+    if ( cfg->GetValueFor( "DEVICE_PORTS", ints_device ) ) {
+
+        vector<int>::const_iterator iter;
+        for ( iter = ints_device.begin(); iter != ints_device.end(); ++iter ) {
+            int port = *iter;
+            if ( !g_listeners.PortInUse( port ) ) {
+                if ( !g_listeners.AddListener( port, false ) ) {
+                    exit( 1 );
+                }
+            } else {
+                logf( XW_LOGERROR, "port %d was in use", port );
+            }
+        }
+    }
+
     g_control = make_socket( INADDR_LOOPBACK, ctrlport );
     if ( g_control == -1 ) {
         exit( 1 );
@@ -895,7 +912,8 @@ main( int argc, char** argv )
         } else {
             ListenersIter iter(&g_listeners, true);
             while ( retval > 0 ) {
-                int listener = iter.next();
+                bool perGame;
+                int listener = iter.next( &perGame );
                 if ( listener < 0 ) {
                     break;
                 }
@@ -906,11 +924,16 @@ main( int argc, char** argv )
                     int newSock = accept( listener, (sockaddr*)&newaddr,
                                           &siz );
 
-                    logf( XW_LOGINFO, 
-                          "accepting connection from %s on socket %d", 
-                          inet_ntoa(newaddr.sin_addr), newSock );
+                    if ( perGame ) {
+                        logf( XW_LOGINFO, 
+                              "accepting connection from %s on socket %d", 
+                              inet_ntoa(newaddr.sin_addr), newSock );
+
+                        tPool->AddSocket( newSock );
+                    } else {
+                        logf( XW_LOGERROR, "can't handle device socket yet" );
+                    }
 
-                    tPool->AddSocket( newSock );
                     --retval;
                 }
             }