“Ufw on debian”的版本间的差异
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https://www.digitalocean.com/community/tutorials/how-to-setup-a-firewall-with-ufw-on-an-ubuntu-and-debian-cloud-server | https://www.digitalocean.com/community/tutorials/how-to-setup-a-firewall-with-ufw-on-an-ubuntu-and-debian-cloud-server | ||
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| + | [https://zhuanlan.zhihu.com/p/36646621 ubuntu ufw 防火墙] | ||
2020年2月27日 (四) 09:04的版本
目录
* install
apt install ufw
* Configuration
ufw enable Command may disrupt existing ssh connections. Proceed with operation (y|n)? y Firewall is active and enabled on system startup ufw default deny incoming ufw default allow outgoing ufw status verbose
* Firewall Rules
ufw app list ufw allow 'SSH' ufw allow WWW #其实就是80 ufw allow 'Nginx HTTP' ufw allow 53/tcp
** Port Ranges
Port ranges may also be specified, a simple example for tcp would be: ufw allow 1000:2000/tcp and for udp: ufw allow 1000:2000/udp
** IP address
An IP address may also be used: ufw allow from 111.222.333.444
* Deleting Rules
Rules may be deleted with the following command: ufw delete allow ssh
* see also
https://wiki.debian.org/Uncomplicated%20Firewall%20%28ufw%29
