# Pastebin 5d3cfCKR
[heat-admin@overcloud-controller-0 ~]$ sudo grep security /etc/neutron/plugins/ml2/ml2_conf.ini                                                        │·············
# port_security,qos (list value)                                                                                                                       │·············
extension_drivers =qos,port_security                                                                                                                   │·············
[securitygroup]                                                                                                                                        │·············
# Driver for security groups firewall in the L2 agent (string value)                                                                                   │·············
# Controls whether the neutron security group API is enabled in the server. It                                                                         │·············
# should be false when using no security groups or using the nova security                                                                             │·············
#enable_security_group = true                                                                                                                          │·············
# Use ipset to speed-up the iptables based security groups. Enabling ipset