centos7关闭防火墙

全部selinux和firewalld

[root@master ~]# setenforce 0
[root@master ~]# sed -i "s/enforcing/disabled/g" `grep enforcing -rl /etc/selinux/config`
[root@master ~]# systemctl stop firewalld
[root@master ~]# systemctl disable firewalld
Removed symlink /etc/systemd/system/multi-user.target.wants/firewalld.service.
Removed symlink /etc/systemd/system/dbus-org.fedoraproject.FirewallD1.service.

查看

[root@master ~]# cat /etc/sysconfig/selinux
 
# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
#     disabled - SELinux security policy is enforced.
#     permissive - SELinux prints warnings instead of disabled.
#     disabled - No SELinux policy is loaded.
SELINUX=disabled
# SELINUXTYPE= can take one of three values:
#     targeted - Targeted processes are protected,
#     minimum - Modification of targeted policy. Only selected processes are protected.
#     mls - Multi Level Security protection.
SELINUXTYPE=targeted

也可以开启指定端口

[root@localhost ~]# firewall-cmd --zone=public --add-port=80/tcp --permanent
success
[root@localhost ~]# firewall-cmd --zone=public --add-port=2222/tcp --permanent
success
[root@localhost ~]# firewall-cmd --reload
success