# Navigating Regional Network Blocks

DevFeed: [Navigating Regional Network Blocks](<https://devfeed.tech/articles/navigating-regional-network-blocks-463.md>)

Original publisher: [Read original article](<https://supabase.com/blog/navigating-regional-network-blocks>)

Author: Sara Read

Published: 2026-03-26T07:00:00Z

Content type: article

Language: en

Sources: [Supabase Blog](<https://devfeed.tech/sources/supabase-blog.md>)

Topics: [Supabase](<https://devfeed.tech/topics/supabase.md>), [Network](<https://devfeed.tech/topics/network.md>), [hosting](<https://devfeed.tech/topics/hosting.md>), [browsers](<https://devfeed.tech/topics/browsers.md>), [Pull Request](<https://devfeed.tech/topics/pull-request.md>), [Security](<https://devfeed.tech/topics/security.md>), [Mozilla](<https://devfeed.tech/topics/mozilla.md>)

Tags: [applications](<https://devfeed.tech/tags/applications.md>), [browsers](<https://devfeed.tech/tags/browsers.md>), [hosting](<https://devfeed.tech/tags/hosting.md>), [internet](<https://devfeed.tech/tags/internet.md>), [mozilla](<https://devfeed.tech/tags/mozilla.md>), [network](<https://devfeed.tech/tags/network.md>), [platforms](<https://devfeed.tech/tags/platforms.md>), [pull-request](<https://devfeed.tech/tags/pull-request.md>), [security](<https://devfeed.tech/tags/security.md>)

## AI overview

Supabase explains how regional ISP and government-directed domain blocks affect multi-tenant infrastructure platforms. Drawing on three incidents, the article discusses causes, responses, and preventive measures, including adding hosting domains to the Public Suffix List to establish tenant boundaries in browsers.

## Source excerpt

A look at recent ISP and government-directed blocks of Supabase domains in three regions--what triggered them, how we worked with authorities and customers to restore access, and what multi-tenant platforms can do to prepare.