Specific seen:
https://blog.csdn.net/ViJayThresh/article/details/81284007
Check firewall status: systemctl Status firewalld.service
Figure:
Green running means that the firewall is turned on
Close the command execution: systemctl STOP firewalld.service
View firewall execution command again: systemctl Status firewalld.service
Means that the firewall has been closed as shown in FIG.
Performing the power to disable the firewall from the start command: systemctl disable firewalld.service
carry out
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Other commands on the firewall:
Start: systemctl start firewalld.service
Firewall open with the system startup: systemctl enable firewalld.service
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