1. 启动和启用 firewalld
功能：启动并启用
firewalld 服务。#!/bin/bash
# 启动 firewalld 服务
sudo systemctl start firewalld
# 启用 firewalld 服务
sudo systemctl enable firewalld
echo "firewalld started and enabled."
2. 停止和禁用 firewalld
功能：停止并禁用
firewalld 服务。#!/bin/bash
# 停止 firewalld 服务
sudo systemctl stop firewalld
# 禁用 firewalld 服务
sudo systemctl disable firewalld
echo "firewalld stopped and disabled."
