Firewall: Be Smart Enough To Choose Right One

Firewall is a gateway between the Organization and the outside Network. You can compare it as a Watchman at your gate. Your Watchman is the first level of the security of your Premises. Hence He must be equipped with Latest security gadget and same is applicable to the firewall. You should know everything about your firewall.

Types of Firewall

There are different Types of firewall as listed below

 1.       Proxy Firewall

It filter the messages at Apllication Layer. It works as an Intermediary between the Internal Client and the server hosted outside. It Filters the incoming traffic such as HTTP and FTP. In addition to determine which traffic to be allowed, a  proxy firewall uses stateful inspection technology and deep packet inspection to analyze incoming traffic for signs of attack. 

2. Stateful Inspection Firewall

It works on Session Level Protection. When any Internal device Establish a connection to the Device hosted at outside, a session Established between both . SI Firewalls track the state of sessions and dropping packets that are not part of a session allowed by a pre-defined security policy.

 3. Unified Threat Management (UTM) Firewall

It have the feature of traditional Firewall with other Security feature  such as gateway level antivirus, 

intrusion detection and prevention, Malware Protection, Web filtering  etc. It manage manage a wide 

range of security functions with a single management console Such firewall are Ideal for small to 

medium Sized Enterprises

4. Next-Generation Firewall (NGFW)

The Next generation Firewall as the name suggest is more Advanced Version of Traditional Firewall. In this era , having a Next Generation Firewall is most important.

As threats to personal devices and larger networks are changing every day. With the flexibility of a Next-Generation Firewall, it protects devices and companies from a much broader spectrum of intrusions. Although these firewalls are not the right solution for every business, security professionals should carefully consider the benefits that NGFWs can provide, as it has a very large upside.

5. Threat-Focused NGFW

This is the advanced version of Next Generation Firewall. It focused the advanced threat detection and remediation.  It also knows which assets are more prone to risk with a complete context awareness report. It can respond to attacks using intelligent security automation and is capable of handling various other security-related issues.

Why We need the firewall? 

This question should not arise here in today's scenario as all of us are aware about the need of it but again I am answering it as follows: 

 1.       To Prevent unauthorized outside Access

2.       Blocking unwanted Website

3.       Safe Banking Experience

4.       Filter out immoral content 

5.       Provide VPN connectivity at remote location

Hence it is necessary to know the feature of the Firewall and how many users it can handle. There are so many Company which provide the Firewall. Some of them are Listed below:

1. Check Point

2.  Fortinet

3.   Cisco

4. WatchGuard 

5. Sophos

6. Juniper

7. SonicWALL

The above is the list of Some of Big Players but today there are so many small Companies which offer the Firewall. Hence before going to any firewall one have to go through the feature being provided.

 

Is it necessary to Update Licenses of firewall Every Year?

It has been found that some of the organization do not take the updated Licenses of the Firewall, due to the cost. But  it is recommended to get the Updated License when it expire otherwise Some of the Function being used for Protection will stop the Work and your network  can be compromised.

 

Note: In case if you want to consult anything regarding your Network/Firewall. You can mail me at singhalyogesh@gmail.com with the Details.

 

In my Next Blog: I am going to discuss about the Advantages of Having Original Software.

 

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