LuLu by Objective-See

LuLu by Objective-See

LuLu is a free, open source firewall application developed by Objective-See for macOS. It blocks unknown outgoing connections to protect user privacy and limit tracking.
LuLu by Objective-See image
firewall network-security privacy-protection

LuLu: Free Firewall for macOS

LuLu is a free, open source firewall application developed by Objective-See for macOS. It blocks unknown outgoing connections to protect user privacy and limit tracking.

What is LuLu by Objective-See?

LuLu is a free, open-source firewall application for macOS developed by security researcher and malware analyst Patrick Wardle. It aims to protect user privacy and system security by monitoring and limiting unknown outgoing connections from apps and processes on a Mac.

Some key features of LuLu include:

  • Displays all active outgoing connections from apps and processes on a Mac, allowing users to easily identify and block unknown or suspicious connections
  • Prevents tracking and profiling of user activity by limiting unused and unnecessary connections
  • Lightweight and optimized for performance - uses less than 5MB RAM so won't slow down system
  • Easy to use interface - connections are color coded by risk level, making it simple to identify suspicious activity
  • Community blocklist - users can share and import blocklists to enhance protection
  • Open source code that is routinely audited and improved by security researchers
  • Developed by a respected malware analyst and founder of Objective-See, Patrick Wardle

Overall, LuLu aims to give users more visibility and control over their network connections to improve privacy, security and performance on macOS systems.

LuLu by Objective-See Features

Features

  1. Blocks unknown outgoing connections
  2. Notifies user when program tries to connect to internet
  3. Allows user to see what data each app is sending out
  4. Open source code for transparency
  5. Easy to use firewall interface

Pricing

  • Free
  • Open Source

Pros

Protects privacy by limiting tracking

Free and open source

User friendly interface

Gives user control over app connections

Cons

Requires some technical knowledge to configure

Not as full featured as paid firewalls

Only available for macOS, not Windows or Linux


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