## Machine virtuelle TOOT

Cette machine est destinée à accueillir l'instance Mastodon de l'association.

### Matériel virtuel

CPU : 3
RAM : 2048 Mio
Stockage de masse : 50 Gio

### Logiciel

Système d'exploitation : Debian GNU/Linux-libre 11 (Bullseye)  
Noyau : Linux-libre LTS (`linux-libre-lts` des dépôts https://linux-libre.fsfla.org)  
Sécurités de la maintenance : `etckeeper`, `mollyguard`, `git`, `tig`, `screen`  
Mail Transfer Agent : `postfix`  
Base do donnée : PostgreSQL
Serveur Web: NGINX

### Caractéristiques notables

Domaine : toot.a-lec.org  
Adresse ipv4 publique : 80.67.179.96  
Adresse ipv4 interne : 192.169.1.173  
Adresse ipv6 publique : 2001:910:1360::16a

### Comptes

Administrateur: admin  
Modérateurs: neox, echolib  
Ouverture de compte: tout membre de l'association  

### Visibilité

Instance publique

#### Configuration réseau

##### /etc/network/interfaces
<details>

    # The loopback network interface
    auto lo
    iface lo inet loopback

    # The primary network interface
    allow-hotplug enp1s0
    iface enp1s0 inet dhcp
    iface enp1s0 inet6 static
        address 2001:910:1360::16a/128
        gateway 2001:910:1360::

</details>

##### /etc/host.allow
    
    sshd: 192.169.1.0/24, [2001:910:1360::]/48

##### /etc/host/deny
    
    sshd: ALL

### Configuration MTA

#### /etc/postfix/transport

    a-lec.org    :
    *              discard:

#### /etc/postfix/virtual

    @localhost admin@a-lec.org
    @toot.a-lec.org admin@a-lec.org

### Configuration serveur web (nginx)
<details>

    map $http_upgrade $connection_upgrade {
      default upgrade;
      ''      close;
    }

    server {
      listen 80;
      listen [::]:80;
      server_name toot.a-lec.org;
      return 302 https://$host$request_uri;
    }

    server {
      listen 443 ssl proxy_protocol default_server;
      listen [::]:443 ssl http2 default_server;
      server_name toot.a-lec.org;

      set_real_ip_from  192.169.1.1;
      real_ip_header proxy_protocol;

      ssl_certificate /etc/letsencrypt/live/toot.a-lec.org/fullchain.pem;
      ssl_certificate_key /etc/letsencrypt/live/toot.a-lec.org/privkey.pem;
      ssl_protocols TLSv1.2;
      ssl_ciphers HIGH:!MEDIUM:!LOW:!aNULL:!NULL:!SHA;
      ssl_prefer_server_ciphers on;
      ssl_session_cache shared:SSL:10m;

      keepalive_timeout    70;
      sendfile             on;
      client_max_body_size 0;

      root /home/mastodon/live/public;

      gzip on;
      gzip_disable "msie6";
      gzip_vary on;
      gzip_proxied any;
      gzip_comp_level 6;
      gzip_buffers 16 8k;
      gzip_http_version 1.1;
      gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

      add_header Strict-Transport-Security "max-age=31536000";

      location / {
        try_files $uri @proxy;
      }

      location ~ ^/(emoji|packs|system/accounts/avatars|system/media_attachments/files) {
        add_header Cache-Control "public, max-age=31536000, immutable";
        try_files $uri @proxy;
      }

      location @proxy {
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto https;
        proxy_set_header Proxy "";
        proxy_pass_header Server;

        proxy_pass http://127.0.0.1:3000;
        proxy_buffering off;
        proxy_redirect off;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;

        tcp_nodelay on;
      }

      location /api/v1/streaming {
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto https;
        proxy_set_header Proxy "";

        proxy_pass http://127.0.0.1:4000;
        proxy_buffering off;
        proxy_redirect off;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;

        tcp_nodelay on;
      }

      error_page 500 501 502 503 504 /500.html;
    }
</details>