How to turn off centos system firewall

View firewall status:

Command:

/etc/init.d/iptables status

Temporary Close the firewall:

Command:

/etc/init.d/iptables stop

Three OKs appear, the shutdown is successful. At this time, the firewall has been closed, and restarting is not allowed to take effect.

Command:

/etc/init.d/iptables status

Check the status after closing, it should show that firewall is not running

##Permanently close the firewall:

Command:

#chkconfig --level 2345 iptables off

or

#chkconfig  iptables off

where 2345 represents "execution level"

Level 0 means: shutdown

Level 1 means: single-user mode

Level 2 means: multi-user command line mode without network connection

Level 3 means: multi-user command line mode with network connection

Level 4 means: Unavailable

Level 5 means: Multi-user mode with graphical interface

Level 6 means: Restart

Related tutorial recommendations:

centos Tutorial

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