Little Snitch 4.0.3 Multilingual macOS


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Little Snitch 4.0.3 Multilingual macOS


Little Snitch is a powerful firewall for the Mac operating system, which can be used to monitor and prevent applications, and allow them to connect to the network through advanced rules. Unlike other firewalls, designed primarily to protect the system from external attacks by limiting internal traffic, Little Snitch software is designed to protect privacy by limiting external traffic. This firewall controls network traffic by registering kernel extensions through Apple’s standard programming interfaces (APIs). If a program or process attempts to connect to the network, this firewall prevents it from connecting. Monitoring This application allows you to view real-time outbound traffic with the domain name.

Features and features of Little Snitch:

  • Traffic traffic history from a past hour, separated for each process, server, port and protocol
  • Displays total traffic amount, peak traffic usage, average bandwidth, and so on
  • The zoom variable ranges from one hour to one minute
  • Perform filter operations by process name, server, port and so on
  • Multipurpose grouping and sorting options
  • A quick indication of why a particular connection or connection was allowed.
  • View system events (startup or end of the program) to view network activity
  • Sign of denial of connections
  • Capture network traffic in PCAP format
  • Save for analysis later on
  • Firewall for Input and Output Connections, Auto Profile Switch, Silent Mode (Future Decision)
To see the full data Little Snitch to here , see

required system

Operating System
OS X Yosemite (10.10) and later, including macOS Sierra (10.12)


Little Snitch

Installation guide

Install and use.

download link

Password (s): Password:


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