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SimpleWall

SimpleWall — Minimal Firewall Front-End for Windows Why It Matters The Windows firewall engine itself works fine, but the interface is clunky. Adding rules takes too many clicks, and half the time admins just want to see which process is trying to talk outside. SimpleWall fixes that pain: a lightweight controller sitting on top of Windows Filtering Platform. No drivers, no bloat — just prompts and a rules list you can actually understand.

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  • OS: Windows / Linux / macOS
  • Size: 0.9 MB
  • Version: .3.8.7
  • Download: 7,332 stars
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SimpleWall — Minimal Firewall Front-End for Windows

Why It Matters

The Windows firewall engine itself works fine, but the interface is clunky. Adding rules takes too many clicks, and half the time admins just want to see which process is trying to talk outside. SimpleWall fixes that pain: a lightweight controller sitting on top of Windows Filtering Platform. No drivers, no bloat — just prompts and a rules list you can actually understand.

How It Works

Once filtering is enabled, every new outbound (or inbound) attempt shows up in the SimpleWall window. The admin decides: allow, block once, or save as a rule. Rules are simple JSON-style configs — per app, per port, or per protocol. Because it rides on WFP, it doesn’t reinvent packet filtering, it just makes control easier. The tool can run portable too, so no heavy install is required.

Technical Notes

Area Notes
OS Windows 7 → 11
Engine Windows Filtering Platform (WFP)
Role GUI + notifier for network rules
Rules App-based, port/protocol specific
Extras Export/import configs, notifications
License GPLv3, open source

Deployment Notes

– Grab the portable build or installer from the project page.
– Start in “filtering mode” — all unknown connections will be paused.
– Approve or block processes as they show up.
– Tune rules over time; first few days will be noisy.
– Export configs if you need the same ruleset elsewhere.

Where It Fits

– Desktops where outbound control matters.
– Test labs running untrusted software.
– Privacy setups — catching apps that like to phone home.

Caveats

– Windows only, no Linux/macOS.
– Interactive prompts can flood until baseline is tuned.
– Not meant for enterprise fleet control — it’s per-host only.
– Community project: updates steady but not on a vendor schedule.

SimpleWall security setup and hardening guide | Armosecure

What is SimpleWall?

SimpleWall is a lightweight, open-source utility designed to simplify the process of hardening and securing Windows endpoints. It provides an intuitive interface for configuring Windows Firewall rules, managing network connections, and monitoring system activity. With SimpleWall, users can easily block or allow specific applications, services, and ports, ensuring that only authorized traffic reaches their system.

Main Features

SimpleWall offers a range of features that make it an attractive solution for endpoint hardening and security, including:

  • Rule-based configuration: SimpleWall allows users to create custom rules for allowing or blocking specific applications, services, and ports.
  • Audit logs: SimpleWall provides detailed logs of all system activity, enabling users to monitor and analyze network traffic.
  • Encryption: SimpleWall supports encryption for secure communication and data protection.
  • Key rotation: SimpleWall allows users to easily rotate encryption keys, ensuring that their system remains secure.

Installation Guide

Downloading and Installing SimpleWall

To get started with SimpleWall, follow these steps:

  • Download the latest version of SimpleWall from the official website.
  • Run the installer and follow the prompts to complete the installation process.
  • Launch SimpleWall and follow the on-screen instructions to configure the application.

Configuring SimpleWall

Once installed, SimpleWall can be configured to meet your specific security needs. Here’s how:

  • Launch SimpleWall and click on the “Settings” icon.
  • Select the “Rules” tab and create new rules for allowing or blocking specific applications, services, and ports.
  • Configure the audit logs and encryption settings to suit your needs.

Technical Specifications

System Requirements

SimpleWall is compatible with the following operating systems:

  • Windows 10
  • Windows 8.1
  • Windows 7

SimpleWall requires a minimum of 2 GB RAM and 100 MB of free disk space.

Performance

SimpleWall is designed to be lightweight and efficient, with minimal impact on system performance.

Feature Performance Impact
Rule-based configuration Low
Audit logs Medium
Encryption High

Pros and Cons

Advantages

SimpleWall offers several advantages, including:

  • Easy to use: SimpleWall provides an intuitive interface that makes it easy to configure and manage Windows Firewall rules.
  • Highly customizable: SimpleWall allows users to create custom rules for allowing or blocking specific applications, services, and ports.
  • Secure: SimpleWall provides robust security features, including audit logs and encryption.

Disadvantages

SimpleWall also has some disadvantages, including:

  • Limited support: SimpleWall is a relatively new application, and as such, it may not have the same level of support as more established solutions.
  • Steep learning curve: While SimpleWall is easy to use, it may require some technical knowledge to fully utilize its features.

FAQ

Is SimpleWall free?

Yes, SimpleWall is completely free to download and use.

Is SimpleWall compatible with other security solutions?

Yes, SimpleWall is designed to work in conjunction with other security solutions, including antivirus software and firewalls.

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