3.2. Open a Port Using firewall-cmd To open a port in the firewall, we can use the firewall-cmd command with the –add-port option. Let’s open the TCP port 21 in the public zone using the firewall-cmd command: $ firewall-cmd --permanent --zone=public --add-port=21/tcp succe...
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ufwrules do not reset on reboot. This is because it is integrated into the boot process, and the kernel saves the firewall rules usingufwby applying appropriate config files. Forfirewalld If you want to add the port to the firewall’s persistent configuration and apply the changes immediatel...
firewall-cmd --permanent --add-port 1191/tcp Issue the following command to open a range a range of ports. firewall-cmd --permanent --add-port 60000-61000/tcp Issue the following command to stop and start the firewall. systemctl stop firewalld systemctl start firewalld SLES Open the ...
# firewall-cmd --permanent --service=openvpn --remove-port=1194/udp 接下来我们可以查看防火墙的已激活配置:# firewall-cmd --permanent --list-servicesssh 上面的例子里, 防火墙只激活了 ssh 服务. 我们需要将 OpenVPN 激活# firewall-cmd --permanent --add-service=openvpn 要使上面的配置生效, ...
$ firewall-cmd --get-zones The output returns the “public” zone in the terminal. Step 4: Open the Ports The ports can be opened in various ways to serve the purpose: Open a Port for All Zones By default, the firewall has a “public” zone. If you want to open a port for all...
firewall-cmd --permanent --add-port=30000-32767/tcp firewall-cmd --permanent --add-port=30000-32767/udp 如果你的 Rancher Server 节点配置了单独的角色,请根据节点角色运行以下命令: #在 etcd 节点上运行以下命令: firewall-cmd --permanent --add-port=2376/tcp ...
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[root@localhost ~]# firewall-cmd --zone=public --list-all public (default) interfaces: sources: services: dhcpv6-client ssh ports: 8080/tcp masquerade: no forward-ports: icmp-blocks: rich rules: If you want to remove port 8080, you would use the--remove-port flag, with the--permanent...
firewall-cmd --permanent --zone=public --add-service=http firewall-cmd --reload 生成SSH 专用密钥并将其添加到代理程序 对于要在其上执行安装调试或灾难恢复的Red Hat OpenShift容器平台群集,必须向安装程序提供 ssh-agent 进程使用的 SSH 密钥。