Unit iptables.service could not be found.
Problem Description:
service iptables status View firewall status
Redirecting to /bin/systemctl status iptables.service
Unit iptables.service could not be found.
solution:
In CentOS 7 or RHEL 7 or Fedora, the firewall is managed by firewalld. Of course, you can restore the traditional management method or use new commands for management. This article will restore the traditional management methods.
cd /etc/sysconfig
ls -l
The iptables file is not seen, but there are ip6tables-config and iptables-config. The linux in this article is CentOS 7.6, and CentOS 7 does not have the iptables file by default.
Install iptables-services
yum install iptables-services
Start iptables
systemctl enable iptables
systemctl start iptables
View, open, close the firewall
View firewall status
service iptables status
Turn off the firewall, service iptables stop Turn off the firewall (this time effective, restore the original settings after the next startup)
service iptables stop
Turn on the firewall, service iptables start Turn on the firewall (valid this time, restore the original settings after the next startup)
service iptables start
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