# 防火牆設定 ufw 指令 -- Ubuntu ###### tags: `Linux`、`ufw` ## 防火牆相關設定 檢查 ufw 是否為啟用狀態 --> `sudo ufw status verbose` 在 ubuntu 伺服器預設是沒有啟用的狀態 `Status: inactive` 在 ubuntu 伺服器預設是有啟用的狀態 `Status: active` 檢查目前允許的port --> `sudo ufw status` 新增允許的port --> `sudo ufw allow 3000/tcp` 防火牆重啟 --> `sudo ufw reload`
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