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Debian防火墙的ufw的常用命令

三三 2022-05-01 3350 0条评论 Linux使用 debianufw防火墙使用

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安装ufw

sudo apt update
sudo apt install ufw 

开启防火墙

ufw enable

关闭防火墙

ufw disable

查看策略:

ufw status verbose
ufw status numbered

恢复默认策略:

ufw default deny incoming
ufw default allow outgoing
ufw default reject routed

重置UFW(将删除所有自定义策略并关闭UFW)

ufw reset

添加允许连接的商端口:

ufw allow [port]

放行指定范围的端口:

ufw allow 10010:10086/tcp
ufw allow 10010:10086/udp

允许指定ip访问

# 放行ip

ufw allow 221.123.1.1
ufw allow 221.123.1.1 to any port 22

# 放行ip段

ufw allow 221.123.1.0/24
ufw allow 221.123.1.0/24 to any port 22

拒绝连接

ufw deny http
ufw deny from 221.123.1.1

删除规则

# 按编号删除

ufw delete [num]

# 按实际规则删除

ufw delete allow http 

# or

ufw delete allow 80

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