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54 lines
2.7 KiB
Markdown
54 lines
2.7 KiB
Markdown
# Generate a self-signed certificate 🔒
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code-server has the ability to secure your connection between client and server using SSL/TSL certificates. By default, the server will start with an unencrypted connection. We recommend Self-signed TLS/SSL certificates for personal use of code-server or within an organization.
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This guide will show you how to create a self-signed certificate and start code-server using your certificate/key.
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## TLS / HTTPS
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You can specify any location that you want to save the certificate and key. In this example, we will navigate to the root directory, create a folder called `certs` and cd into it.
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```shell
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mkdir ~/certs && cd ~/certs
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```
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If you don't already have a TLS certificate and key, you can generate them with the command below. They will be placed in `~/certs`
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```shell
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openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout ~/certs/MyKey.key -out ~/certs/MyCertificate.crt
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```
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You will be prompted to add some identifying information about your organization
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```shell
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You are about to be asked to enter information that will be incorporated
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into your certificate request.
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What you are about to enter is what is called a Distinguished Name or a DN.
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There are quite a few fields but you can leave some blank
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For some fields there will be a default value,
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If you enter '.', the field will be left blank.
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-----
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Country Name (2 letter code) [AU]:US
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State or Province Name (full name) [Some-State]:TX
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Locality Name (eg, city) []:Austin
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Organization Name (eg, company) [Coder Technologies]:Coder
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Organizational Unit Name (eg, section) []:Docs
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Common Name (e.g. server FQDN or YOUR name) []:hostname.example.com
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Email Address []:admin@example.com
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```
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>If you already have a TLS certificate and key, you can simply reference them in the `--cert` and `--cert-key` flags when launching code-server
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## Starting code-server with certificate and key
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1. At the end of the path to your binary, add the following flags followed by the path to your certificate and key like so. Then press enter to run code-server.
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```shell
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./code-server --cert=~/certs/MyCertificate.crt --cert-key=~/certs/MyKey.key
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```
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2. After that you will be running a secure code-server.
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> You will know your connection is secure if the lines `WARN No certificate specified. This could be insecure. WARN Documentation on securing your setup: https://coder.com/docs` no longer appear.
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## Other options
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For larger organizations you may wish to rely on a Certificate Authority as opposed to a self-signed certificate. For more information on generating free and open certificates for your site, please check out EFF's [certbot](https://certbot.eff.org/). Certbot is a cli to generate certificates using [LetsEncrypt](https://letsencrypt.org/).
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