Ufw Cheat Sheet

# Ufw

## Basic commands
- `sudo ufw status`
  Check status (usually "inactive" by default).
- `sudo ufw status numbered`
  List rules with ID numbers (great for deleting).
- `sudo ufw enable`
  Turn the firewall **ON**
- `sudo ufw disable`
  Turn the firewall **OFF**
- `sudo ufw reload`
  ✔Apply changes after editing rules.
### Defaults
  
  ```shell
  sudo ufw default deny incoming
  sudo uwf default allow outgoing
  ```
### Allow **HTTP** (80)
  
  ```shell
  sudo ufw allow http
  ```
  or
  ```shell
  sudo ufw allow 80
  ```
### Allow **HTTPS** (443)
  
  ```shell
  sudo ufw allow https
  ```
  or 
  ```shell
  sudo ufw allow 443
  ```
### Allow a Port **Range**
  
  ```shell
  sudo ufw allow 8000:8100/tcp
  ```
### Allow entire **subnet** to all ports
  
  ```shell
  sudo ufw allow from 192.168.1.0/24
  ```
### Allow a specific **IP**
  
  ```shell
  sudo ufw allow from 192.168.1.50
  ```
### Allow IP to a specific **port**
  
  ```shell
  sudo ufw allow from 192.168.1.50 to any port 22
  ```
### Allow **subnet** to specific **port** with specific **protocol** with **comment**
  
  ```shell
  sudo ufw allow from 192.168.10.0/24 to any port 5900 proto tcp comment \
  "Allow VNC from .10.0/24 subnet"
  ```