---
title: "Tech Support World (@techsupport200) | Hashnode"
description: "Helping people solving tech issues. Read the latest articles by Tech Support World on Hashnode."
url: "https://hashnode.com/@techsupport200"
---

@techsupport200

# Tech Support World

@techsupport200 · Joined November 2025

Helping people solving tech issues

### [How to setup the firewall RethinkDNS in Android](https://techsupport200.hashnode.dev/how-to-setup-firewall-rethinkdns-in-android?utm_source=hashnode&utm_medium=feed)

RethinkDNS is an excellent open-source firewall, DNS modification and proxy client app. The app is available for free and provides comprehensive firewall and DNS blocking capabilities. RethinkDNS Firewall Setup Download and Installation First, downlo...

2 min read · [techsupport200.hashnode.dev](https://techsupport200.hashnode.dev/how-to-setup-firewall-rethinkdns-in-android?utm_source=hashnode&utm_medium=feed)

[Nov 10, 2025](https://hashnode.com/posts/how-to-setup-firewall-rethinkdns-in-android/6911b61ac667c650a953c500)