diff --git a/server/modules/routing/binlogrouter/blr.h b/server/modules/routing/binlogrouter/blr.h
index b7668d1e2..466d5f93f 100644
--- a/server/modules/routing/binlogrouter/blr.h
+++ b/server/modules/routing/binlogrouter/blr.h
@@ -229,6 +229,9 @@ typedef enum
 #define BLR_MASTER_CONNECT_RETRY    "60"
 #define BLR_MASTER_RETRY_COUNT     "1000"
 
+/* Default value for @@max_connections SQL var */
+#define BLR_DEFAULT_MAX_CONNS   151
+
 /* max size for error message returned to client */
 #define BINLOG_ERROR_MSG_LEN    700
 
diff --git a/server/modules/routing/binlogrouter/blr_slave.c b/server/modules/routing/binlogrouter/blr_slave.c
index fd20caedd..be6d42a4b 100644
--- a/server/modules/routing/binlogrouter/blr_slave.c
+++ b/server/modules/routing/binlogrouter/blr_slave.c
@@ -6393,12 +6393,17 @@ static bool blr_handle_simple_select_stmt(ROUTER_INSTANCE *router,
                                  BLR_TYPE_INT);
         return true;
     }
+    /* Handle MariaDB 10 GTID vars */
     else if ((strcasecmp(word, "@@gtid_current_pos") == 0) ||
-             (strcasecmp(word, "@@global.gtid_current_pos") == 0))
+             (strcasecmp(word, "@@global.gtid_current_pos") == 0) ||
+             (strcasecmp(word, "@@gtid_binlog_pos") == 0) ||
+             (strcasecmp(word, "@@global.gtid_binlog_pos") == 0) ||
+             (strcasecmp(word, "@@gtid_slave_pos") == 0) ||
+             (strcasecmp(word, "@@global.gtid_slave_pos") == 0))
     {
         char    heading[40];
         char mariadb_gtid[GTID_MAX_LEN + 1];
-        mariadb_gtid[0] = '\0';
+        mariadb_gtid[0] = 0;
         strcpy(heading, word);
 
         if (router->mariadb10_compat &&
@@ -6409,6 +6414,13 @@ static bool blr_handle_simple_select_stmt(ROUTER_INSTANCE *router,
             spinlock_release(&router->binlog_lock);
         }
 
+        /* Return empty gtid_slave_pos if master GTID registration is off */
+        if (!router->mariadb10_master_gtid &&
+            strcasestr(word, "gtid_slave_pos" ) != NULL)
+        {
+            mariadb_gtid[0] = 0;
+        }
+
         blr_slave_send_var_value(router,
                                  slave,
                                  heading,
@@ -6437,6 +6449,50 @@ static bool blr_handle_simple_select_stmt(ROUTER_INSTANCE *router,
             return true;
         }
     }
+    else if ((strcasecmp(word, "@@global.max_connections") == 0) ||
+             (strcasecmp(word, "@@max_connections") == 0))
+    {
+        char    max_conns[40];
+        /* to ensure we match the case in query and response */
+        char    heading[40];
+
+        sprintf(max_conns, "%d", !router->service->max_connections ?
+                BLR_DEFAULT_MAX_CONNS :
+                router->service->max_connections);
+        strcpy(heading, word);
+
+        blr_slave_send_var_value(router,
+                                 slave,
+                                 heading,
+                                 max_conns,
+                                 BLR_TYPE_INT);
+    }
+    else if ((strcasecmp(word, "@@global.read_only") == 0) ||
+             (strcasecmp(word, "@@read_only") == 0))
+    {
+        /* to ensure we match the case in query and response */
+        char    heading[40];
+        strcpy(heading, word);
+
+        blr_slave_send_var_value(router,
+                                 slave,
+                                 heading,
+                                 "0",
+                                 BLR_TYPE_INT);
+    }
+    else if ((strcasecmp(word, "@@global.log_bin") == 0) ||
+             (strcasecmp(word, "@@log_bin") == 0))
+    {
+        /* to ensure we match the case in query and response */
+        char    heading[40];
+        strcpy(heading, word);
+
+        blr_slave_send_var_value(router,
+                                 slave,
+                                 heading,
+                                 "1",
+                                 BLR_TYPE_INT);
+    }
 
     return false;
 }
@@ -7463,7 +7519,7 @@ static bool blr_handle_set_stmt(ROUTER_INSTANCE *router,
             return true;
         }
     }
-    else if (strstr(word, "@slave_connect_state") != NULL)
+    else if (strcasestr(word, "@slave_connect_state") != NULL)
     {
         /* If not mariadb an error message will be returned */
         if (slave->mariadb10_compat &&