Introduction
Welcome again! today will learn to build a Firewall with ClearOS. in the very last article I listed up the top five firewalls. The one potentially useful firewall, I was not able to cover in the article. So today we will cover a complete step-by-step installation guide for the same.
The firewall comes in a form of a dedicated OS and can be downloaded from this link. The free-to-use license of ClearOS comes under community license. Yet the UTM is free having no official support. But, still have a good support community and documentation. Let’s go step by step. First, we will have a look into the features of the firewall followed by an installation guide. Finally, we will give the final verdict in form of a conclusion.
Features of ClearOS
Here are key highlights of the free service available with ClearOS community addition.
Server
- Directory Services.
- Print sharing sever.
- ClearOS support Windows PDC services integration.
- Antivirus/file scanner.
- Web Server with PHP.
- Zarafa community edition.
Network
- Multi-WAN support.
- Bandwidth management for per-user throughput guarantee.
- DHCP, DNS, NTP services are supported.
- OpenVPN for secured network access.
- Firewall.
- Routing services are highly flexible and easy to manage.
- DNZ and 1-1 NATing possible.
Application management
- Antimalware.
- Content Filtering is available even with the free edition.
- Intrusion detection.
- Application control.
- Antiphishing services.
- Multi protocol filter.
Installtion of ClearOS
We have downloaded OS. Now define the minimum configuration for the server. To support 40-50 users on average, a Ci5 Server with 02 LAN cards, 16 GB of RAM, and 160 GB SSD is recommended.
Boot system
![](https://unixcop.com/wp-content/uploads/2022/01/install-clearos.png)
Define your language and keyboard format. Click next.
![](https://unixcop.com/wp-content/uploads/2022/01/clearos-2.png)
Define your drive installation, define hostname and Network Settings.
![](https://unixcop.com/wp-content/uploads/2022/01/clearos3.png)
Define IP address for WAN and LAN ports.
![](https://unixcop.com/wp-content/uploads/2022/01/lan-clearos.png)
Define root password, let the installation begin.
![](https://unixcop.com/wp-content/uploads/2022/01/installtion.png)
Reboot, after installation.
![](https://unixcop.com/wp-content/uploads/2022/01/after-installtion-reboot.png)
Reboot the server and see what IP address you have got, have a look. L
![](https://unixcop.com/wp-content/uploads/2022/01/image-103.png)
Define WAN and LAN passwords. Change console settings. Login with Root creds.
![](https://unixcop.com/wp-content/uploads/2022/01/image-104.png)
Define your gateway and desired LAN/VLAN address.
![](https://unixcop.com/wp-content/uploads/2022/01/image-105.png)
Congratulations, here we have installed the server successfully.
Conclusion
Here, we have installed ClearOS successfully. Installation is almost equal to CentOS. Define your real-time IP address per your need. Stay tuned, till next article. Great Day!!