“紀錄一下 因火牆設定 導致無法建立 ssh 連線” 安裝 UFWapt install ufw 關閉 UFWufw disable 開啟 UFWufw enable 參考: https://itw01.com/UOT99EH.html Debian author: Laurance link: https://note.laurance.eu.org/2022/12/03/Debian-火牆設定/ Copyright notice: All articles on this website, unless otherwise stated, adopt CC BY-NC-ND 4.0 reprint policy. If reproduced, please indicate source! Prev: DNS_SERVER - BIND 安裝與設定 Next: Debian - 網卡設定