---
title: "Discussion on \"What Changes When You Turn On mTLS\" | Hashnode"
description: "Discussion on \"What Changes When You Turn On mTLS\". A hands-on walkthrough with Linkerd and cert-manager, from open traffic to enforced identity"
url: "https://hashnode.com/posts/what-changes-when-you-turn-on-mtls/69e1cd53243bd11221a76b17"
---

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Discussion

# [What Changes When You Turn On mTLS](https://cloudsecburrito.com/what-changes-when-you-turn-on-mtls?utm_source=hashnode&utm_medium=feed)

A hands-on walkthrough with Linkerd and cert-manager, from open traffic to enforced identity

Apr 17 · 17 min read · cloudsecburrito.com  
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-   [#kubernetes](https://hashnode.com/tag/kubernetes)
-   [#mtls](https://hashnode.com/tag/mtls)
-   [#linkerd](https://hashnode.com/tag/linkerd)
-   [#cert-manager](https://hashnode.com/tag/cert-manager)
-   [#security](https://hashnode.com/tag/security)
-   [#containers](https://hashnode.com/tag/containers)

## Written by

[Matt Brown](https://hashnode.com/@mattbrownsec)

@mattbrownsec · San Francisco

  
[View profile](https://hashnode.com/@mattbrownsec)

From policy to runtime: open source security in the real world.

Working as a solutions architect while going deep on Kubernetes security — prevention-first thinking, open source tooling, and a daily rabbit hole of hands-on learning. I make the mistakes, then figure out how to fix them (eventually).

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