---
title: 'Charm Workshop: Writing Charms for Restrictive Networks'
description: In an ideal world your systems can reach any internet resource for whatever
  they need for deployment. However the real world is different, and many production
  networks have proxies or other restricted network policies that make writing charms
  challenging. In this charm school Matt Bruzek highlights some of the methods you
  can use to make  […]
url: https://canonical.com/blog/charm-workshop-writing-charms-for-restrictive-networks?format=md
---

1. [Blog](https://canonical.com/blog)
2. Article

---

[Jorge O. Castro](https://canonical.com/blog/author/jorge "More about Jorge O. Castro")

8 December 2014

# Charm Workshop: Writing Charms for Restrictive Networks

[Juju](https://canonical.com/blog/tag/juju)

---

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In an ideal world your systems can reach any internet resource for whatever they need for deployment. However the real world is different, and many production networks have proxies or other restricted network policies that make writing charms challenging.

In this charm school Matt Bruzek highlights some of the methods you can use to make your charm usable in places where you might not have access to the general internet.

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