---
title: "Why I Build Tooling for Restricted Networks"
description: "Positioning note connecting cargo, mirrors, and DNS helpers."
author: "Mohammad-Pouya Ghourchiani"
canonical: "https://ghourchiani.ir/blog/why-restricted-network-tooling"
date: "2026-09-11"
lang: "en"
---
# Why I Build Tooling for Restricted Networks

Positioning note connecting cargo, mirrors, and DNS helpers.

## Direct answer

This note documents a real workflow from production tooling — not a generic tutorial rewrite.

## Links

- Project: [/projects/cargo-rust-network-ir](/projects/cargo-rust-network-ir)
- Expertise: [/expertise/infrastructure](/expertise/infrastructure)
- Author: [/about](/about)