firewall 命令简单操作

Firewalld 是维护防火墙策略的守护程序的名称。使用 firewall-cmd 命令与防火墙配置进行交互, 使用区域概念对与系统交互的流量进行分段。网络接口分配给一个或多个区域,每个区域都包含允许的端口和服务的列表。默认区域还可用于管理与任何区域都不匹配的流量。0 语法规则Usage: firewall-cmd [OPTIONS...] General Options -h, --help Prints...

Ubuntu报Command 'firewall-cmd' not found, but can be installed with: apt install firewalld错误解决方案

当输入firewall-cmd --list-ports 查看端口信息时报错 报错的原因可能是没有安装firewall,安装命令为: yum install firewalld 安装完毕后下面介绍一下firewalld的常用用法: 启动: systemctl start firewalld停止运行: systemctl stop firewalld查看状态: systemctl status firewall...

centos防火墙firewalld常用命令备忘

centos防火墙firewalld常用命令备忘 ...

debian/Ubuntu simple firewall setupthing

Super simple firewall configuration for debian/Ubuntu systemWindows has been running naked for yearsBut Linux systems are more complex, especially servers that are exposed to the public network, so a simpl...

Freebsd web server firewall configuration

Edit the following files, Add the following code Start firewall View firewall rules Test firewall rules open means the port is open, otherwise it means filtering ~nmap official websitehttps://nmap.org/down...

Example of ufw firewall command

sudo ufw enable|disableBecause LInux's original firewall tool iptables is too cumbersome, ubuntu provides a firewall tool ufw based on iptable by default.The default in ubuntu 9.10 is UFW firewall, which a...
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2022-08-18 09:42:11 1660786931