LuLu

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LuLu is a free, open-source firewall for macOS designed to block unknown outgoing network...
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### Netiquette Command-Line Output - List All Connections

Source: https://objective-see.org/products/netiquette

Provides a sample JSON output of all active network connections and sockets when the '-list' and '-pretty' flags are used. This structured data includes process information (PID, path, signature) and connection details (protocol, addresses, ports, state).

```json
[
  {
    "process" : {
      "pid" : "5885",
      "path" : "\/usr\/bin\/nc",
      "signature(s)" : {
        "signatureIdentifier" : "com.apple.nc",
        "signatureStatus" : 0,
        "signatureSigner" : 1,
        "signatureEntitlements" : {
          "com.apple.security.network.server" : true,
          "com.apple.security.network.client" : true
        },
        "signatureAuthorities" : [
          "Software Signing",
          "Apple Code Signing Certification Authority",
          "Apple Root CA"
        ]
      }
    },
    "connections" : [
      {
        "remoteHostName" : "n\/a",
        "protocol" : "TCP",
        "interface" : "",
        "localAddress" : "0.0.0.0",
        "state" : "Listen",
        "remotePort" : "0",
        "localPort" : "666",
        "remoteAddress" : "0.0.0.0"
      }
    ]
  }
  ...
]

```

--------------------------------

### Netiquette Command-Line Usage and Options

Source: https://objective-see.org/products/netiquette

Displays the available command-line options for the Netiquette tool. Users can leverage flags like '-list' to enumerate connections, '-names' to resolve hostnames, '-pretty' for formatted JSON output, and '-skipApple' to exclude Apple processes.

```shell
$ Netiquette.app/Contents/MacOS/Netiquette -h 

NETIQUETTE USAGE:
 -h or -help  display this usage info
 -list        enumerate all network connections
 -names       resolve remote host names (via DNS)
 -pretty      JSON output is 'pretty-printed' for readability
 -skipApple   ignore connections that belong to Apple processes 

```

--------------------------------

### Netiquette Command-Line Output - Redirect to File

Source: https://objective-see.org/products/netiquette

Demonstrates how to capture the command-line output of Netiquette to a JSON file. By piping the output of the '-list' command to a specified file path, users can easily save the network activity data for later analysis.

```shell
$ ./Netiquette.app/Contents/MacOS/Netiquette -list > /path/to/some/file.json    

```
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