ItsIgnacioPortal's Blog

How to use a Firewall and a VPN at the same time on Android without root, without external self-hosted servers (2025)

✅ You're reading the latest version of this guide. It's often considered impossible to use both a firewall and a VPN at the same time on android without root, mainly due to the fact that you can normally only connect to a single VPN at a time, and firewall apps require

Ideas

Transparent data compression on Android

What is "transparent data compression"?Transparent data compression consists of storing data in a compressed format and automatically decompressing it whenever it needs to be accessed, making the whole process transparent to the user. Non-transparent methods of accessing compressed data may be cumbersome to the user, as they often require

Privacy

How to use a Firewall and a VPN at the same time on Android without root, without external self-hosted servers.

IMPORTANT: This guide is now outdated. Use this one instead: https://itsignacioportal.github.io/firewall-and-vpn-without-root-on-android-2025/ Unlike the previous version of this guide, this setup has: No DNS leaks.No UDP leaks.Less battery usage.Only open-source software.RequirementsAndroid 5.0+Anywhere between 446.03 MB, up to 2500MB of available

How to

How to setup Etesync for Tasks.org in Windows

In this blog I will explain how to set up etesync for local use (a server that will only be exposed to your trusted LAN). If you wish to setup etesync for it to be exposed to the internet, an advanced guide which uses nginx in WSL and internal port-forwarding

Privacy

How to use NetGuard + personalDNSFilter+ Any VPN, without root, without external self-hosted servers.

IMPORTANT: This guide is now outdated. Use this one instead: https://itsignacioportal.github.io/firewall-and-vpn-without-root-on-android-2025/ Together, with the people over at the personalDNSfilter Telegram group, we've discovered a way to run multiple "VPN"s at the same time by taking advantage of work profiles. All of this started because I