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THE NETBLOCKER FIELD GUIDE

A little clarity.
More control.

Practical advice for keeping selected Mac apps offline and choosing the right tool for the job.

01

Practical guide · 4 min read

How to Block Internet Access for Any App on Mac

Learn how to stop one Mac app from accessing the internet without turning off Wi-Fi, including helper processes, existing connections, and how to verify the block.

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02

Comparison guide · 7 min read

Mac Outbound Firewalls Compared: NetBlocker, LuLu, Radio Silence and Little Snitch

Compare four Mac outbound firewalls by workflow, network visibility, compatibility, trial, and price, with the built-in macOS firewall included for context.

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03

Comparison · 3 min read

Radio Silence Alternative for Mac: NetBlocker vs Radio Silence

Looking for a Radio Silence alternative? Compare NetBlocker’s app-centred blocking with Radio Silence’s system-wide connection view, pricing, compatibility, and process visibility.

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04

Comparison · 3 min read

LuLu Alternative for Mac: NetBlocker vs LuLu

Looking for a LuLu alternative with a simpler app-centred interface? Compare NetBlocker’s drag-and-drop workflow with LuLu’s free, open-source connection rules.

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05

Comparison · 4 min read

Little Snitch Alternative for Mac: NetBlocker vs Little Snitch

Looking for a simpler Little Snitch alternative? Compare NetBlocker’s app-centred blocking with Little Snitch’s detailed rules, activity history, pricing, and compatibility.

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06

App-specific guide · 4 min read

How to Block Microsoft Teams Internet Access on Mac

Keep the Microsoft Teams desktop app offline on your Mac without disconnecting the rest of the computer, and learn what happens to calls, messages, helpers, and Teams for Web.

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07

Privacy guide · 5 min read

How to Stop an App Phoning Home on Mac

Stop a selected Mac app from making new internet connections without disabling Wi-Fi, understand what “phoning home” can mean, and verify the result safely.

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Written by NetBlocker’s developer. Comparisons state their sources, scope, and the trade-offs behind each workflow.