server {
    # Wieske
    allow 172.31.17.128/25;
    allow 212.12.51.128/28;
    allow 2a00:14b0:42:100::/56;
    # Z9
    allow 2a07:c480:0:100::/56;
    allow 2a07:c481:1::/48;
    deny all;

    listen [2a00:14b0:4200:3380:0000:5a5f:1dbc:6a39]:9099 ssl http2;
    listen 172.31.17.145:9099 ssl http2;

    server_name loki.hamburg.ccc.de;

    ssl_certificate /etc/letsencrypt/live/loki.hamburg.ccc.de/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/loki.hamburg.ccc.de/privkey.pem;

    auth_basic  "loki";
    auth_basic_user_file loki.htpasswd;
    location / {
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-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-Port 9099;
        # This is https in any case.
        proxy_set_header X-Forwarded-Proto https;
        proxy_set_header X-Scope-OrgID $remote_user;
        grpc_pass grpc://localhost:19009;
    }
}

server {
    # Wieske
    allow 172.31.17.128/25;
    allow 212.12.51.128/28;
    allow 2a00:14b0:42:100::/56;
    # Z9
    allow 2a07:c480:0:100::/56;
    allow 2a07:c481:1::/48;
    deny all;

    listen [2a00:14b0:4200:3380:0000:5a5f:1dbc:6a39]:3100 ssl http2;
    listen 172.31.17.145:3100 ssl http2;

    server_name loki.hamburg.ccc.de;

    ssl_certificate /etc/letsencrypt/live/loki.hamburg.ccc.de/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/loki.hamburg.ccc.de/privkey.pem;
    # verify chain of trust of OCSP response using Root CA and Intermediate certs
    ssl_trusted_certificate /etc/letsencrypt/live/loki.hamburg.ccc.de/chain.pem;

    # HSTS (ngx_http_headers_module is required) (63072000 seconds)
    add_header Strict-Transport-Security "max-age=63072000" always;

    auth_basic  "loki";
    auth_basic_user_file loki.htpasswd;

    location / {
        proxy_set_header Host $host;
        proxy_set_header X-Forwarded-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-Port 3100;
        # This is https in any case.
        proxy_set_header X-Forwarded-Proto https;
        proxy_set_header X-Scope-OrgID $remote_user;
        proxy_pass http://127.0.0.1:13100;
    }
}