Firewalls for Windows

Free and open-source tool that monitors all network activity, blocks unwanted connections, uses filter lists for ads and malware, enforces DNS-over-TLS, and sets custom app rules.

Simple tool to configure Windows Filtering Platform (WFP) which can configure network activity on your computer.

Visualizes network activity, alerts on suspicious behavior, manages firewall rules, reports new app connections, and identifies potential threats.

Simple firewall for MS Windows.

PeerBlock lets you control who your computer "talks to" on the Internet. By selecting appropriate lists of "known bad" computers, you can block communication with advertising or spyware oriented servers, computers monitoring your p2p activities, computers...

An advanced Windows tool for internet traffic control and monitoring. Set speed limits for apps and connections, with real-time and long-term stats.

TinyWall is a free software to harden and control the advanced firewall built into Windows Vista, Windows 7 and Windows 8. TinyWall includes a combination of features that sets it apart from both commercial and freeware firewalls: TinyWall does not annoy you with popups at all...

A powerful tool which extends the functionality of Windows Firewall and provides new extra features which makes Windows Firewall better.

Minimal Firewall is a portable Windows firewall frontend that alerts users to internet connections without requiring custom kernel modifications or disabling core isolation, striking a balance between TinyWall's security and SimpleWall's functionality.

Comodo Internet Security is a free, very voluminous and multi-layered security application that keeps hackers out and personal information in.

Comodo Firewall is a personal firewall, a genre of security software that secures PCs by policing Internet traffic on an app by app basis. The most prominent feature of a personal firewall is generating popup notifications when an unknown program attempts to access the Internet...

Windows Firewall Notifier (WFN) extends the default Windows embedded firewall behavior, allowing to visualize and handle incoming or outgoing connections.

In Windows, you can use Windows Firewall to block or unblock certain applications, but it doesn’t offer an easy-to-use interface for its advanced features. Firewall App Blocker makes the process very easy!

Free Firewall is a full-featured professional firewall that protects against the threats of the Internet. Control every program on your computer by permit or deny access to the Internet. Free firewall notifies you when applications want to access the Internet in the background...

PeerGuardian is a privacy oriented firewall application. It blocks connections to and from hosts specified in huge blocklists (thousands or millions of IP ranges). Its origin seeds in targeting aggressive IPs while you use P2P.

Application allows to block Internet access to other applications.

Provides antivirus, firewall, parental control, and anti-malware protection with DeepGuard technology, automatic updates, rootkit detection, and spam control.

Delivers antivirus, VPN, and identity defense with real-time protection and AI enhancements. Enjoy advanced privacy tools and malware defense.

IPBan is a FREE and open source application that allows auto banning ip addresses from failed login attempts. Many sources are watched such as SSH, SMTP, SQL-Server, MySQL, RDP and dropped packets.

All-in-one protection suite with antivirus, firewall, secure VPN, password manager, cloud backup, dark web monitoring, parental controls, and identity theft safeguards.

This personal firewall and intrusion detection application provides comprehensive online security. It constantly monitors your PC for intrusion and reports any findings, so you can take the appropriate action.

Blocks unauthorized network access, detects intruders, prevents data theft, hides computers from threats, stops viruses and spyware, offers easy setup, and real-time alerts.

Perfects the Windows Firewall offering additional security. Get the most out of your Windows firewall, create new security rules for your online applications, alerts you to anomalies with real-time protection.

Application-level network control supporting custom permissions, detailed event logging, zero-day malware blocking, remote management, and portable use.

SterJo NetStalker is innovative and FREE security software able to detect all authorized and unauthorized connections to your computer and send you alert for each new connection.