# Matrix

## HTTP

Configure `berlin.ccc.de` web server to send federation traffic to the matrix server:

```nginx
server {
  hostname berlin.ccc.de;
  location = /.well-known/matrix/server {
    default_type application/json;
    add_header Access-Control-Allow-Origin "*";
    return 200 '{"m.server":"matrix.berlin.ccc.de:443"}';
  }
  location = /.well-known/matrix/client {
    default_type application/json;
    add_header Access-Control-Allow-Origin "*";
    return 200 '{"m.homeserver": {"base_url": "https://matrix.berlin.ccc.de"}}';
  }
}
```

## DNS

```dns
_matrix-fed._tcp.berlin.ccc.de.  IN SRV    10 0 443 matrix.berlin.ccc.de.
_matrix-fed._tcp.berlin.ccc.de.  IN SRV    10 0 443 matrix.berlin.ccc.de.
matrix.berlin.ccc.de.            IN A      195.160.173.25
matrix.berlin.ccc.de.            IN AAAA   2001:678:760:cccb::25
matrix.berlin.ccc.de.            IN CAA    0 issue "letsencrypt.org;validationmethods=http-01"
matrix.berlin.ccc.de.            IN CAA    0 iodef "mailto:admin@berlin.ccc.de"
```

## Bots

```bash
register_new_matrix_user \
    -c homeserver.yaml https://matrix.berlin.ccc.de \
    --user_domain berlin.ccc.de \
    --user <YOUR_BOT> \
    --password <YOUR_PASSWORD>
```

## Draupnir

Remove rate limit for account:

```bash
curl -X DELETE https://matrix.berlin.ccc.de/_synapse/admin/v1/users/@root:berlin.ccc.de/override_ratelimit
```
Set rate limit for account:

```bash
curl -X POST -d '{"messages_per_second":0,"burst_count":0}' https://matrix.berlin.ccc.de/_synapse/admin/v1/users/@root:berlin.ccc.de/override_ratelimit
```

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