Top 5 Free Firewall Programs to Secure Your Computer


Most of us have hardware or software firewall protection as a module incorporated into an Anti-Virus program, built into a WiFi router, or we use Windows Defender, an integral part of Windows 10. However, the protection of third party software to secure your computer – to monitor a private network, for instance – is needed as a check against unauthorized access to or from the network itself.

There are many free firewall applications for Windows available. They create the barrier you need to keep your system safe from harmful intrusion, to continually filter the data downloaded to your machine and to control unauthorized transmission of data from your applications. You can keep your home network free from malware attacks and hackers with one of these free firewall applications.

Comodo Firewall

Prevention based security stops threats before they download

Comodo has been providing a free firewall for Windows operating systems ever since the introduction of Windows XP and has won many awards. The software monitors incoming and outgoing connections using Default Deny Protection or DDP, a constantly updated database of threats. Artificial Intelligence (AI) is used to profile your normal operating behavior, and there’s a Sandbox environment to block hidden viruses from infiltrating the system when you download new software.

Comodo Firewall provides a very user-friendly graphical user interface and its easy configuration options ensure that there are no problems in setting it up for the inexperienced user. Once installation is complete, you can use wizards to preset security settings to have Firewall scan your system and add all your current application to its safe list.

While being very user-friendly for newer users, the program enables the true techie to thoroughly customize protection when downloading questionable software, requiring control of application usage, while gaming, etc.

The free firewall for Windows provides:

  • Default Deny Protection completely up-to-date database of known threats
  • Prevention-based security – stopping malware before it gets access to your system
  • Sandbox – virtual operating environment for checking new software downloads
  • Cloud-based behavior analysis and whitelisting
  • Game mode to suppress alert, update and scanning operations during game playing
  • Personalized threat alerts and application control to allow or disallow software operation
  • User-friendly interface, wizards and current security settings display
  • Training Mode to create a user operations profile

Comodo Firewall works with 32 bit & 64 bit Windows XP to 10 and requires 152 MB RAM and 400 MB disk space.

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Free Firewall

Full control of data flow into and out of your computer

A fully featured firewall utility, Evorim Free Firewall protects your system from internet threats as well as permitting or denying internet access to your applications.

Once you have downloaded and installed, you can launch the free firewall for Windows and enable the firewall. Then you locate each program installed on the system and specify if internet access is allowed. An ‘Events’ window notifies you when newly installed programs need access. The program constantly monitors your operations to alert you when applications attempt to access the internet without your authorization. You are provided with three modes – ‘Credulous‘ for unlimited access, ‘Paranoid‘ for no access and ‘Blockade‘ which blocks all applications and services from accessing the internet. There’s also a ‘Co-operative Mode‘ to enable seamless operations with Windows Defender.

Free Firewall provides a range of useful features beyond controlling access to the internet and detecting threats including viruses, malware, and spyware. It is touch-friendly, prevents telemetry data from getting sent to Microsoft, and is multilingual. Botnets are blocked and other background services can be viewed so that you know exactly what’s happening in your system and are able to set access permissions for services individually.

The free firewall for Windows enables you to set rules for access to domains or addresses, ports, and permissions including address ranges. Rules can also be set for zones or groups of applications or users assigned to specific programs.

Free Firewall is professional protection for your security and privacy. It is compatible with Windows 7 to 10 and Windows servers, and requires 512 MB RAM, a 4GHz CPU and 400 MB disk space.

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ZoneAlarm Free Firewall

Secure your home network and get extra protection when you use public WiFi

Whether you are using a home desktop or your laptop on public WiFi, ZoneAlarm Free Firewall provides you with a personal firewall to manage and monitor both incoming or outgoing traffic. You are protected from hackers, malware and other threats to your security.

Download and install the application, and provide an email address to activate. The free firewall for Windows automatically updates its database of known threats to protect your data wherever you are.

The system is monitored for any suspicious behavior from malicious programs and provides Full Stealth Mode to keep you invisible to hackers. You get real-time DefenseNet updates of online threats.

ZoneAlarm Free Firewall is for Windows 7 and up 32- or 64-bit. It requires 2 GB RAM, 1.5 GB disk space and a 2 GHz processor and Microsoft .NET framework.

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Download Here | Visit Developer’s Website

NxFilter

A Java-based filter for controlling website access based on domain names

NxFilter controls access to websites and limits user access and connection time, protecting your network by blocking phishing and detecting malware and botnets. Configuring the application requires prior knowledge of DNS and quite a lot of work to get fully set up. The developer’s website provides detailed documentation and tutorials for configuring the application, as well as lots of associated relevant information.

NxFilter is an enterprise-level web filter with many options to allow or restrict internet usage by individual machine, groups of machines and individual users.

You are provided with a wide array of options from different methods of blocking sites, permitting access by specific site categories or times of day to allowing access to individual users or to groups of users. There are many options for setting up as well as options for authenticating users. Once configured, web traffic stats are displayed on a browser-based console. You can view blocked domains and access logs. You are notified of users who attempt to access websites to which you restrict access whether by time or category.

NxFilter is free and portable. Java 8 and higher should be installed and the application requires 768 MB RAM and 4GB of disk space plus UDP/53, TCP/80, TCP/443 ports.

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Firewall App Blocker

Drag and drop setup to block and unblock applications

Firewall App Blocker replaces the manual blocking and unblocking of program access to the internet in the Windows Firewall. It has a simple drag and drop user interface.

Download free Firewall App Blocker. It’s a portable application. Launch to the comprehensive easy to use interface. Drag and drop the programs you want to control into the ‘App Blocker‘ window or use the ‘File‘ tab on the menu bar to browse the hard disk and add them. Programs listed are automatically blocked. If you need to allow a blocked program, right-click it and select ‘Allow‘ from the pop-up menu. Alternatively, just delete it. At the bottom of the window, you’ll find Outbound and Inbound Rules buttons and a checkbox to enable ‘WhiteList‘. In WhiteList Mode access to the internet is denied for all applications except those on the WhiteList.

Selecting a program and right-clicking will bring up Firewall App Blocker’s context menu for fast access to Enable, Disable, Allow, Block, etc. Other features of the Firewall menu can be accessed via the Firewall tab on the menu bar. These include White List Mode, Black Internet and more. You can enable drag and drop ability in White List mode so that allowed applications can be set up by dragging them to the interface. Additional options – including many alternative languages – are available on the Options tab. Windows Vista to 10 are supported.

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Interested in more Security tools? Check out our Security / Privacy category.



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