10 Best Firewall Apps for Android [Review]

Sunday, 26 February 2017

10 Best Firewall Apps for Android [Review]

Posted by Rahul Gupta
Firewall, the word was originally meant to refer to a wall that confined a fire or potential fire in a building. Later uses refer to similar structures that served the same purpose.

In computing, a firewall is a network security that monitors and controls the incoming and outgoing traffic based on predetermined security rules. It establishes a barrier between a trusted internal network and an outside network that may or may not be trusted.

Mobile security has become an increasingly important component of mobile computing. There is immense concern over the security of personal and business information stored on smartphones. There are good practices that must be observed from design to use, through the development of operating systems, software layers and downloadable apps.

Best Firewall Apps
Let’s have a look at ten apps that you can install on your phone that will provide it security and keep your phone protected:

1. NoRoot Firewall

Some apps require you to root your phone. This one is not one of them. NoRoot creates a mock VPN for you and you alone, then connects your device to it.

Now you can monitor all the traffic coming in through the app and protect your data along the way. You will be alerted every time something wants to connect to your phone, and it's up to you whether you want to allow access. Filters enable you to block certain addresses and ports on the web. And if you want to see who’s trying to connect, NoRoot also has an access log that displays the connection attempts, the IPs and time and status of the apps. This way you're protected all the time.

2. NetGuard

It is a simple but useful app to block internet access to your device. You don’t even need access to block off malicious websites from your phone. One can individually configure addresses and applications for access on the Android device.

Some of NetGuard’s features are that it allows you to block when roaming quickly, you can prevent system applications from accessing the Internet so that they won't receive any updates. Another cool feature is that it allows you to record your network usage per application to see which one is eating up all your mobile data! 

3. AFWall+ (Android FireWall +)

It is your one stop app for rooted Android devices. It has a very pleasant interface and works well on almost any device. It is a front end application and comes with the powerful iptables Linux firewall. 

Since it requires root access, this app with providing you with more options than those that do not need root rights. Using AFW+, you can hide lock screen notifications. It is a lot faster and more reliable than most other firewall apps. A solid benefit for rooted devices.

4. NoRoot Data Firewall

NoRoot Data Firewall allows you to monitor traffic on non-rooted devices. One of its unique features is that it allows you to capture packets. You can protect your app from unauthorized access by enabling ‘password protect’ in the app. Your device can be stopped from accessing the internet at night by allowing ‘’Night Mode’!

Some of the other features of NoRoot Data Firewall are that it records and analyzes data usage for each app. You can set up temporary permission for certain time limits, add domain filters and IP filters and set the DNS server address.

5. DroidWall

DroidWall is one of the most popular firewall applications available. Its interface reminds you of the old school Gingerbread interfaces, but the app is still solid.

DroidWall allows you to manually define iptables rules but other than that it is a simple firewall app. It requires root access so naturally, it comes with a host of advanced features. Only use this if you know what you're doing.

6. Mobiwol: NoRoot Firewall

Mobiwol will not only reduce your data usage but also save your battery life in addition to securing your privacy. You can take direct control of the apps installed on your device and allow or block app connectivity.

You can get alerts when a new app tries to access the internet, and the connection logs component is useful for telling you every device you’ve been connected to.

7. LostNet NoRoot Firewall

Using LostNet NoRoot, you can stop all communication that you do not essentially require. You could block access to those countries that you do not trust. LostNet captures and analyses packets sent to and from your device. The app also removes traffic to individual ad networks. 

Another neat feature is that it allows you to create different profiles with blocking and acceptance rules for each one, like when children use your device.

8. Root Firewall

Root Firewall is an excellent choice when it comes to preventing data over billing and saving battery life. It blocks Internet access for your apps and protects your privacy.

You can custom select to block Internet access for each app through 3G or Wi-Fi. It works great when you don’t have an unlimited data plan!

9. LightningWall

This app is your firewall for installed apps. Only those apps that have permission to access the internet are shows. You can easily configure the incoming and outgoing connections independently. The same rules are applied to all networks.

Lightning Wall does not require iptables; there is no start up required and no data leaks. The rules are always active, and you do not need to set them again on connection change.

10. Firewall Gold

This one requires rooting access to your device. Like all firewalls, Firewall Gold watches all your connections, in and out of your network. It lets you create profiles not just for your phone but all of your devices. 

The rules are easy to configure. You can define or export them, and you can import some rules as well.

Firewall Gold allows you both roaming and tethering, a cool feature using which you can create custom scripts for a particular IP address.

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