https://aaronyang0628.github.io/docs/tags/firewall/index.htmlHugoenSun, 07 Sep 2025 19:58:45 +0800https://aaronyang0628.github.io/docs/linux/command/ufw/index.htmlSun, 07 Sep 2025 19:58:45 +0800https://aaronyang0628.github.io/docs/linux/command/ufw/index.htmladd allow rule ufw allow 80/tcp delete allow rule ufw delete allow 3000/tcp