Open Source Firewalls





There are number of free firewalls available and most of them are linux base firewalls. You can easily configure and deploy such firewalls without paying more money on firewalls. Iptables and other linux firewalls are very famouse and most of people may have good knowledge on that. Therefore in this blog , I would like to address untangle and pfsense free firewalls only.

Untangle


This is a very user friendly free open source firewall which you can use for your any requirement. This free version can be installed in your server appliance. It is easy to manage and easy to configure. Therefore , users can deploy this setup without any harm.

pf Sense
pf Sense aso a very user friendly open source product and you can customize it according to your requirement. pf Sense has few other products than firewalls , such as load balancers and optimizing solutions.

------------------------------------------------------------------------------------------------------------

How to configure Untangle firewall (How to setup Untangle)

What is the Untangle Server?
Simple answer is you can install untangle server on your PC and then it will work as a Untangle server , which can Control , Protect , Monitor and Manage (CPMM) in your network.


MHR (Minimum Hardware Requirement) for Untangle Server

The PC which you are going to install Untangle , should have above requirements. You must have atleast 3 network interfaces to configure DMZ zone in your untangle firewall. If you have more ethernet cards , you can configure them as optional or trusted interfaces of your firewall.

There are two methods you can use to configure Untangle Firewall

1.  Bridge Mode
If you have another firewall or a router in your network, you can configure untangle server between router and the local area network (LAN) or between existing firewall and the untangle server.


2.  Routing Mode
you can install the untangle server by replacing existing router or firewall.  



How to install and Configure Untangle firewall

After you have been decided the proper way to connect with the network, you must have to setup untangle server. Configuration part in mainly depend on the few web based interfaces.

1. Insert the relevant CD rom to the  CD Drive.
2. Follow instructions given
3. Re-start the PC
4. Remove the CD
5. Then you can configure your untangle firewall by your self.


6. Download necessary installation packges.
7. Then you can grant or deny access for a all of users,
     
                               

No comments:

Post a Comment