# Firewall

**Basic ports used**

- **SIP TCP/UDP**
  - 5060-5091
- **RTP UDP**
  - 16384-32768
- **SSH**
  - 22
- **HTTP**
  - 80, 443

```{toctree}
:maxdepth: 3

firewall/iptables.md
firewall/fail2ban.md
firewall/pf.md
```
