Netfilter software comprises iptables, ipset, conntrack-tools, libnetfilter and more. It is the core of Linux firewalls and NAT. It consists of a set of hooks inside the Linux kernel and a number of utilities to manage callback functions.
Karma Firewall Alternatives
Karma Firewall is described as 'App lets you take control back of your phone and block internet traffic to and from specific apps. This is a simple yet powerful firewall with an easy to use intuitive GUI which allows you to protect your sensitive data' and is a Firewall in the security & privacy category. There are more than 25 alternatives to Karma Firewall for a variety of platforms, including Windows, Linux, Android, Mac and iPhone apps. The best Karma Firewall alternative is Portmaster, which is both free and Open Source. Other great apps like Karma Firewall are simplewall, NetGuard, BiniSoft Windows Firewall Control and Minimal Firewall.
Alternatives list
- 13 netfilter alternatives
27 Windows 11 Firewall Control alternativesEnables per-application network monitoring with instant notifications, detailed logging, multiple predefined security zones, blocking of zero-day malware and telemetry, support for portable use, remote management, IPv6 networks, and flexible LAN connectivity settings.
+3
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.
Cost / License
- Free
- Proprietary
Application types
Alerts
- Discontinued
Platforms
- Windows
SpyShelter is an effective and easy-to-use security application that helps you to protect your system against known and unknown malware.
40 ZoneAlarm Firewall alternativesProvides two-way firewall protection by blocking unauthorized network access, detecting intrusions, hiding devices from threats, stopping viruses, spyware, and data theft, offering real-time alerts, customizable rules, and simple setup with light system impact.
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.
+1
Bouncer is an application to help you choose the correct firewall zone for wireless connections. When you connect to a new network, Bouncer will open a window prompting you for what kind of network (eg home, public, work) it is.
Cost / License
- Free
- Open Source (MPL-2.0)
Platforms
- Linux
- Flathub
- Flatpak
CacheGuard Gateway is a free, open-source network security appliance for startups, growing businesses, and SMEs/SMBs that need enterprise-grade protection without the complexity or cost.
Cost / License
- Free
- Open Source
Application type
Platforms
- VirtualBox
- Self-Hosted
- VMware vSphere Hypervisor
- Microsoft Hyper-V Server
- Proxmox Virtual Environment
appNetworkCounter is a simple tool for Windows that counts and displays the number of TCP/UDP bytes and packets sent and received by every application on your system.
22 Radio Silence alternativesRadio Silence lets you block individual apps from accessing the internet. It never throws pop-ups on the screen, and is completely invisible.
All the functionalities of a modern Next-Gen firewall in few clicks: MultiWAN, Deep Packet Inspection, VPNs, Threat Protection.
+4
PC Tools Firewall Plus is a powerful free personal firewall for Windows® that protects your computer by preventing unauthorized users from gaining access to your computer through the Internet or a network.
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