linux check firewall status, close firewall command
Linux needs to turn off the firewall when remotely connecting to the database and other operations, and the commands related to different Linux distributions are different. Here are a few of the systems I have on hand, and record their related commands (the system that I do n’t have, I have n’t tried it, do n’t dare to write blindly)
centos6.8
Check the firewall status:
service iptables status
Turn off the firewall:
service iptables stop
Turn on the firewall:
service iptables start
Icon:
centos7.5：
Check the firewall status:
firewall-cmd --state
Turn off the firewall:
systemctl stop firewalld
Turn on the firewall:
systemctl start firewalld
Icon:
ubuntu18.04
Check the firewall status:
ufw status
Turn off the firewall:
ufw disable
Turn on the firewall:
ufw enable
Icon:
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