Mirror
/
app-MAIL-temp
mirror of https://github.com/simple-login/app.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Update SSL documentation 

Improve readability
Talk about HSTS
Link to SSL doc in README
This commit is contained in:
alpha-tango-kilo 2022-05-04 17:09:35 +01:00
parent 67dad33b70
commit cb177a10a2
No known key found for this signature in database
GPG Key ID: 401947EDC8F005FC
2 changed files with 36 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
README.md
View File

@ -515,8 +515,7 @@ Reload Nginx with the command below
sudo systemctl reload nginx
```
At this step, you should also setup the SSL for Nginx.
[Certbot](https://certbot.eff.org/instructions) can be a good option if you want a free SSL certificate.
At this step, you should also setup the SSL for Nginx. [Here's our guide how](./docs/ssl.md).
### Enjoy!

52
docs/ssl.md
View File

@ -1,27 +1,22 @@
It's highly recommended to enable SSL/TLS on your server, both for the webapp and email server.
# SSL, HTTPS, and HSTS
This doc will use https://letsencrypt.org to get a free SSL certificate for app.mydomain.com that's used by both Postfix and Nginx. Letsencrypt provides Certbot, a tool to obtain and renew SSL certificates.
It's highly recommended to enable SSL/TLS on your server, both for the web app and email server.
## Using Certbot to get a certificate
This doc will use https://letsencrypt.org to get a free SSL certificate for app.mydomain.com that's used by both Postfix and Nginx. Let's Encrypt provides Certbot, a tool to obtain and renew SSL certificates.
To install Certbot, please follow instructions on https://certbot.eff.org
As of today (March 25 2020), you can install Certbot by using these commands:
```bash
sudo apt-get update
sudo apt-get install software-properties-common
sudo add-apt-repository universe
sudo add-apt-repository ppa:certbot/certbot
sudo apt-get update
sudo apt-get install certbot python-certbot-nginx
```
Then obtain a certificate for Nginx, use the following command. You'd need to provide an email so Letsencrypt can send you notifications when your domain is about to expire.
Then obtain a certificate for Nginx, use the following command. You'd need to provide an email so Let's Encrypt can send you notifications when your domain is about to expire.
```bash
sudo certbot --nginx
```
After this step, you should see some Certbot lines in /etc/nginx/sites-enabled/simplelogin
After this step, you should see some "managed by Certbot" lines in `/etc/nginx/sites-enabled/simplelogin`
### Securing Postfix
Now let's use the new certificate for our Postfix.
@ -32,11 +27,34 @@ smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
```
by
with
```
smtpd_tls_cert_file = /etc/letsencrypt/live/app.mydomain.com/fullchain.pem
smtpd_tls_key_file = /etc/letsencrypt/live/app.mydomain.com/privkey.pem
```
Make sure to replace app.mydomain.com by your domain.
Make sure to replace app.mydomain.com with your own domain.
### Updating `simplelogin.env`
Make sure to change the `URL` in `simplelogin.env` to `https://app.mydomain.com`, otherwise not all page assets will load securely, and some functionality (e.g. Webauthn) will break.
You will need to reload the docker containers for this to take effect.
## HTTP Strict Transport Security (HSTS)
HSTS is an extra step you can take to protect your web app from certain man-in-the-middle attacks. It does this by specifying an amount of time (usually a really long one) for which you should only accept HTTPS connections, not HTTP ones. Because of this **you should only enable HSTS once you know HTTPS is working correctly**, as otherwise you may find your browser blocking you from accessing your own web app.
To enable HSTS, add the following line to the `server` block of the Nginx configuration file:
```
add_header Strict-Transport-Security "max-age: 31536000; includeSubDomains" always;
```
(The `max-age` is the time in seconds to not permit a HTTP connection, in this case it's one year.)
Now, reload Nginx:
```bash
sudo systemctl reload nginx
```