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Comodo Firewall

Quick Specs

  • Version:
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  • Date Added:
    Sep. 07, 2015
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Editors' Review


Comodo Firewall 7.0 takes over the tasks of the default Windows utility. It has a very modern interface and offers enhanced protection via an up-to-date cloud database, and also includes application whitelisting, a safe Web browser, and an interactive situation update system.


Effective protection: For a free program, Comodo Firewall has some pretty powerful features that really keep you safe from intrusions. It even includes a GeekBuddy subscription, a threat scanner function, and Comodo Dragon, its own safe browser. The best part is the cloud database that informs you about types of threats and guides your decisions based on well laid out options.

Application sandbox: This great feature allows you to run suspect applications in a safe context without risking infecting your computer. Activation of the automatic sandbox feature also reduces the amount of required user input.


Requires too many decisions: For an application that's supposed to run in the background, it requires more than average user input. Pop-up messages are generally informative with clear options, but you may be occasionally prompted about a DLL file that you have never heard of before.

Intervenes with core computer work: Even though we undertook testing on a 15" laptop, we still found pop-up messages to be far too large, obstructing our core tasks. It would be preferable to have smaller message windows that can be expanded to their full informative version with a single click.

Bottom Line

Comodo Firewall efficiently protects your computer from all kinds of external threats. It successfully mobilizes the latest features and cloud technology, offering a good user experience overall. Although it might be slightly complicated for novice users, it is certainly a meaningful upgrade from the default Windows firewall.

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Publisher's Description

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User Reviews
  • Current Version


    out of 3 votes

    • 5 star 0
    • 4 star 1
    • 3 star 0
    • 2 star 1
    • 1 star 1
  • All Versions


    out of 266 votes

    • 5 star 107
    • 4 star 30
    • 3 star 24
    • 2 star 26
    • 1 star 79
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Results 1–3 of 3

2 stars

"very nice, when it works, but avoid b/c nightmare bugs"

October 09, 2015

 |  Version: Comodo Firewall


when it works, it is great. very easy, functional, and powerful.


they do updates which introduce nightmare bugs that cut you off the Internet and waste hours only to find out it was an update they did causing very bizarre behavior. happened on 3 systems, each of XP, Win 7, and Win 8. Avoid!

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1 stars

"its a buggy software"

October 07, 2015

 |  Version: Comodo Firewall


I just cant say it enough it uscks


Alot of things reallly listen.

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4 stars

"Probably the best free firewall + HIPS scanning"

September 13, 2015  |  By abcd12367

 |  Version: Comodo Firewall


Very good protection against malware (probably the best).


It comes with bundled software and there are lots of popups. This can be sorted out though, by changing some settings and by doing a custom install/ deleting the programs you don't want/ changing which components are installed.


Good but requires settings to be changed so it has better protection ad is less intrusive. If you want just a firewall and no HIPS scanning use either the windows firewall or Zone Alarm Free.

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Results 1–3 of 3

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Full Specifications

What's new in version
Version 8.2:
  • Installation-end Welcome Page: After CIS installations you will be directed to a landing page where you will find the details of the product and the benefits of the features.
  • Improved: Live Support: In case you need you will be able to open Geekbuddy chat window directly on malware found notification window.
  • Several critical bugs fixes. Here are a selected few
  • FIXED: Compatibility with Google Chrome 45.x issue
  • FIXED: CIS Firewall doesn't recognize safe applications with short-format path
  • FIXED: Diagnostics failed after update windows from Win 8.1 to Win 10
  • FIXED: Chromodo UAC and update offer appear during CIS installation
  • FIXED: Malicious and unrecognized file does not run in Sandbox from VTRoot folder
  • FIXED: Sandbox does not block malicious launched from 'Quarantine'
  • FIXED: CIS/CES COM components keys should be removed from registry after installation
  • FIXED: Incorrect displaying name in 'FW Application Rules' after removing application via "IOBit Uninstaller"
  • FIXED: ASE is freezes after launch 'Purge' with empty rule
Publisher Comodo
Publisher web site
Release Date September 07, 2015
Date Added September 07, 2015
Category Security Software
Subcategory Firewall Software
Operating Systems
Operating Systems Windows 98/Me/NT/2000/XP/2003/Vista/Server 2008/7/8
Additional Requirements None
Download Information
File Size 215.23MB
File Name cmd_fw_installer.exe
Total Downloads 1,520,001
Downloads Last Week 926
License Model Free
Limitations Not available
Price Free

Previous Versions:

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