diff --git a/lib/quantum_plugins/linuxbridge b/lib/quantum_plugins/linuxbridge
index 11bc585..324e255 100644
--- a/lib/quantum_plugins/linuxbridge
+++ b/lib/quantum_plugins/linuxbridge
@@ -48,6 +48,11 @@
     if [[ "$LB_INTERFACE_MAPPINGS" != "" ]]; then
         iniset /$Q_PLUGIN_CONF_FILE LINUX_BRIDGE physical_interface_mappings $LB_INTERFACE_MAPPINGS
     fi
+    if [[ "$Q_USE_SECGROUP" == "True" ]]; then
+        iniset /$Q_PLUGIN_CONF_FILE SECURITYGROUP firewall_driver quantum.agent.linux.iptables_firewall.IptablesFirewallDriver
+    else
+        iniset /$Q_PLUGIN_CONF_FILE SECURITYGROUP firewall_driver quantum.agent.firewall.NoopFirewallDriver
+    fi
     AGENT_BINARY="$QUANTUM_DIR/bin/quantum-linuxbridge-agent"
 }
 
@@ -76,5 +81,10 @@
     iniset $conf_file DEFAULT interface_driver quantum.agent.linux.interface.BridgeInterfaceDriver
 }
 
+function has_quantum_plugin_security_group() {
+    # 0 means True here
+    return 0
+}
+
 # Restore xtrace
 $MY_XTRACE