Commit d490ad
2026-08-03 16:07:13 Niklas Polke: Create UFW| /dev/null .. linux/ufw.md | |
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| + | # UFW |
| + | Uncomplicated FireWall |
| + | |
| + | ## Installation |
| + | ```bash |
| + | sudo apt install ufw |
| + | ``` |
| + | |
| + | ## Configuration |
| + | |
| + | :::warning |
| + | If port 22/tcp is not allowed, ssh will be terminated and no connection will be possible any more! |
| + | ::: |
| + | ```bash |
| + | sudo ufw default deny incoming |
| + | sudo ufw default allow outgoing |
| + | |
| + | sudo ufw allow 22/tcp # SSH |
| + | sudo ufw allow 80/tcp # HTTP |
| + | sudo ufw allow 443/tcp # HTTPS |
| + | |
| + | sudo ufw enable |
| + | ``` |