An administrator connected over SSH wants to turn on the ufw firewall on an Ubuntu server. What should they run before ufw enable, so they are not locked out?
Un administrateur connecté par SSH veut activer le pare-feu ufw sur un serveur Ubuntu. Que doit-il exécuter avant ufw enable pour ne pas se retrouver bloqué dehors ?
Answers
Aufw resetufw reset
Bufw deny 22/tcpufw deny 22/tcp
Cufw disableufw disable
Dufw allow 22/tcpufw allow 22/tcp
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