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Jeroen Janssen 2022-08-17 17:36:36 +02:00
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## LAYLO Code - Secure, resilient, privacy-friendly code hosting
This document gives an overview to the applied security standards that are in use on `code.laylo.cloud`.
### Global
- The OS and software is updated every week (Thursdays, 22:00 - 23:59 CEST).
- The storage on the server is fully encrypted, both in OpenStack and the VM itself (the latter one using `AES-XTS-256`, see misc/softraid.pdf for the specification).
- The server _solely_ runs the Gitea stack (with Nginx and PostgreSQL), thus preventing additional attack surface.
### Web front-end
- Any plain-text (HTTP) traffic is redirected to the TLS secure counterpart (HTTPS).
- TLS (or more specifically: TLSv1.2 and TLSv1.3) is used for transit encryption, with the following ciphers: `ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-CHACHA20-POLY1305:AES-256-GCM-SHA384:EECDH+AESGCM:EDH+AESGCM` and with HSTS.
### Networking
- The server itself is strictly firewalled (using `pf(8)`), both egress and ingress - on a daemon/service level.
- Internal service communication is encrypted (eg: Gitea is configured to connect to the local PostgreSQL server using TLS).
### Etc
- Backups are made every 24 hours, using a 'pull mechanism'. This server does **NOT** have access to the backup repository.
- SSH is hardened (PKI authentication, MFA via hardware tokens, highest level ciphersuites).

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