Centos 7.0 firewall Problems

From centos7, the built-in firewall was changed from iptables to firewall. Generally, in the enterprise environment, for the sake of manpower and stability, it is safer to use mature technologies.

The following describes how to disable Firewall:

Systemctl stop firewalldsystemctl disable firewalld

The following describes how to restore iptables:

Yum install iptables-servicessystemctl start iptablessystemctl enable iptables

PS: popular methods on the Internet often come together

Touch/etc/sysconfig/iptables

In this case, the actual configuration file used by iptables is/etc/sysconfig/iptables-New.

Note.

Centos 7.0 firewall Problems