Vallum 1.3.1 -

: You can set rules that only activate when connected to specific WiFi hotspots or VPNs.

This specific update introduced several efficiency and UI improvements aimed at power users: Vallum 1.3.1

“Vallum's interface is a little confusing, but it's a powerful app, and it comes at a great price... much cheaper than Little Snitch, despite sharing many of the same features.” MacUpdate · 4 years ago Comparison at a Glance macOS Built-in (ALF) Yes (Core focus) Inbound Filtering Rule Specificity Hostname, Port, Protocol, User App-level only Interface Icon-based, Menulet System Preferences Interaction Interactive, Silent, or "Jail" modes Mostly silent 5 Best Firewall Apps for Mac Owners in 2021 - MacUpdate : You can set rules that only activate

“Vallum Network Monitor is miles better than Netiquette (Lulu's) because domains recognition is actively supported so you dont end up stuck with a bunch of digits non sense but actual domain names.” Reddit · r/macapps · 5 months ago but it's a powerful app