Freeware Firewalls


24 free and open source downloads for Windows (32-bit/64-bit)
  • Advertisement
  • ZoneAlarm Free Firewall 15.8.109.18436

    ZoneAlarm Free Firewall Icon
    Port Blocker
    A free version of a popular firewall application.
    Free Freemium
    5.68 MB
    10 / 8 / 7 / V / XP
    Good (3.8 / 5.0)
    Jun 26, 2020
  • Comodo Firewall 12.2.2.7036

    Comodo Firewall Icon
    A highly rated and essential firewall distributed as freeware.
    Free Freeware
    4.79 MB
    10 / 8 / 7 / V / XP
    Excellent (5.0 / 5.0)
    Jun 21, 2020
  • RusRoute 2.0.4

    RusRoute Icon
    Firewall Protection
    Comprehensive router, firewall and Internet gateway solution.
    Free Freeware
    13.08 MB
    10 / 8 / 7 / V / XP
    Average (3.0 / 5.0)
    May 8, 2020
  • Comodo Internet Security and Firewall 12.2.2.7036

    Comodo Internet Security and Firewall Icon
    A collection of tools for Internet security including a firewall, antivirus, anti-spyware and filtering.
    Free Freeware
    4.79 MB
    10 / 8 / 7 / V / XP
    Good (3.2 / 5.0)
    Apr 24, 2020
  • Comodo Internet Security Pro 12.2.2.7036

    Comodo Internet Security Pro Icon
    Comodo Antivirus
    Award-winning Comodo Firewall and Antivirus protection for PCs. Free for life.
    Free Freeware
    4.79 MB
    10 / 8 / 7 / V / XP
    Excellent (5.0 / 5.0)
    Apr 24, 2020
  • Firewall App Blocker 1.7

    Firewall App Blocker Icon
    Firewall Blocker
    Quickly block any applications from accessing the Internet with firewall.
    Free Freeware
    1.11 MB
    10 / 8 / 7 / V / XP
    Very Good (4.5 / 5.0)
    Apr 17, 2020
  • SterJo NetStalker 1.4

    SterJo NetStalker Icon
    Connection Blocker
    Easy-to-use device designed to detect unauthorized access to your computer.
    Free Freeware
    1.27 MB
    10 / 8 / 7 / V / XP
    Excellent (5.0 / 5.0)
    Jan 15, 2020
  • Active Wall Web Filter 5.0.2013.0510

    Active Wall Web Filter Icon
    Gateway Filter
    A web filter for content, bandwidth, DNS, HTTP and messaging.
    Free Freeware
    2.3 MB
    10 / 8 / 7 / V / XP
    Average (3.0 / 5.0)
    Oct 16, 2017
  • TinyWall 2.1.8

    TinyWall Icon
    Whitelist Connection
    Harden and control the firewall built into Windows with ease, without annoyance.
    Free Freeware
    1.15 MB
    10 / 8 / 7 / V / XP
    Good (3.4 / 5.0)
    Mar 24, 2016
  • Windows Firewall Console 23.0

    Windows Firewall Console Icon
    Firewall Resetter
    A few different Windows firewall customizations and modifications.
    Free Open source
    374.51 KB
    10 / 8 / 7 / V / XP
    Excellent (4.8 / 5.0)
    Apr 23, 2015
  • PC Tools Freeware Firewall 7.0.0.123

    PC Tools Freeware Firewall Icon
    Protects your computer from intruders, controls the network traffic in and out.
    Free Freeware
    9.79 MB
    10 / 8 / 7 / V / XP
    Average (2.7 / 5.0)
    Mar 20, 2015
  • PREDATOR Firewall 3.1.0.201

    PREDATOR Firewall Icon
    Protect Windows with a USB key.
    Free Freeware
    2.66 MB
    10 / 8 / 7 / V / XP
    Excellent (5.0 / 5.0)
    Oct 16, 2014
  • Atelier Web Firewall Tester 5.1

    Atelier Web Firewall Tester Icon
    Firewall Tester
    A small tool to test the reliability and security of your firewall.
    Free Freeware
    731.46 KB
    10 / 8 / 7 / V / XP
    Excellent (5.0 / 5.0)
    Aug 12, 2014
  • GeSWall 2.9.2

    GeSWall Icon
    Intrusion Prevention
    Firewall designed to help surf the web, email and chat.
    Free Freeware
    6.04 MB
    8 / 7 / V / XP
    Average (3.0 / 5.0)
    Jul 16, 2014
  • Online Armor Free 7.0.0.1866

    Online Armor Free Icon
    Spyware Protection
    Protects against many different types on online attacks and keyloggers.
    Free Freeware
    10.2 MB
    10 / 8 / 7 / V / XP
    Fair (2.5 / 5.0)
    Jul 16, 2014
  • PrivateFirewall 7.0.30.3

    PrivateFirewall Icon
    Registry Protection
    An excellent freeware firewall with keylogger and spyware protection.
    Free Freeware
    3.58 MB
    8 / 7 / V / XP
    Very Good (4.5 / 5.0)
    Jul 16, 2014
  • Windows Firewall Notifier 1.9.0.0

    Windows Firewall Notifier Icon
    Firewall Notifier
    Provides real-time notification of Windows firewall behavior.
    Free Open source
    158.76 KB
    10 / 8 / 7
    Fair (2.5 / 5.0)
    Jul 16, 2014
  • PeerBlock 1.2

    PeerBlock Icon
    Peer Blocker
    Basic IP blocking firewall that can filter out traffic from peer-to-peer networks, hostile....
    Free Freeware
    932.22 KB
    10 / 8 / 7 / V / XP
    Very Good (3.9 / 5.0)
    Jan 18, 2014
  • PeerGuardian 2.0 RC1

    PeerGuardian Icon
    Firewall application that can block peer-to-peer connections, governments, corporations like Microsoft and other known IP addresses from publicly....
    Free Freeware
    1.87 MB
    10 / 8 / 7 / V / XP
    Very Good (4.1 / 5.0)
    May 30, 2012
  • Agnitum Outpost Security Suite Free 7.1.1

    Agnitum Outpost Security Suite Free Icon
    An entry-level firewall solution.
    Free Freeware
    94.74 MB
    10 / 8 / 7 / V / XP
    Very Good (4.3 / 5.0)
    Apr 23, 2012
  • myWIFIzone 5.0

    myWIFIzone Icon
    Intruder Blocker
    Detect and block WIFI intruders or set up your own secure Captive Portal.
    Free Freeware
    393.4 KB
    8 / 7 / V / XP
    Good (3.7 / 5.0)
    May 6, 2011
  • R-Firewall 1.0

    R-Firewall Icon
    R-Firewall is free and effective solution to secure your on-line activity.
    Free Freeware
    3.66 MB
    8 / 7 / V / XP
    Very Good (4.0 / 5.0)
    Nov 19, 2008
  • ShareAlarm 2.2

    ShareAlarm Icon
    Alert Access
    Share alarm alerts when is detecting network access to shared folders.
    Free Freeware
    444 KB
    8 / 7 / V / XP
    Very Good (4.5 / 5.0)
    Nov 19, 2008
  • Securepoint Personal VPN Client 3.6

    Securepoint Personal VPN Client Icon
    Personal OpenVPN client with a built-in firewall.
    Free Freeware
    1.43 MB
    NT / 2003 / XP / Vista
    Excellent (5.0 / 5.0)
    Jul 29, 2004

  • 1