NETLINK_FIREWALL 500 net/ipv4/netfilter/ip_queue.c n->protocol == NETLINK_FIREWALL && n->pid) { NETLINK_FIREWALL 579 net/ipv4/netfilter/ip_queue.c ipqnl = netlink_kernel_create(&init_net, NETLINK_FIREWALL, 0, NETLINK_FIREWALL 1085 security/selinux/hooks.c case NETLINK_FIREWALL: