nginx

server {
    listen 80;
    listen [::]:80;
    server_name mydomain;
    return 301 https://$host$request_uri;
}
server {
    listen 443 ssl;
    listen [::]:443 ssl;

    server_name mydomain;

    ssl_certificate /etc/letsencrypt/live/mydomain/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/mydomain/privkey.pem;
    ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
    ssl_prefer_server_ciphers on;
    ssl_dhparam /etc/ssl/certs/dhparam.pem;
    ssl_ciphers 'unwichtig';
    ssl_session_timeout 1d;
    ssl_session_cache shared:SSL:50m;
    ssl_stapling on;
    ssl_stapling_verify on;
    add_header Strict-Transport-Security max-age=15768000;

    root /var/www/mydomain;

    index index.php index.html index.htm;

    location / {
        try_files $uri $uri/ =404;
    }

    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
        fastcgi_pass unix:/var/run/php5-fpm.sock;
    }

    location ~ /\.ht {
        deny all;
    }

    location ~ /.well-known {
        allow all;
    }
}
server {
    listen 80;
    listen [::]:80;

    server_name pma.mydomain;

    root /var/www/phpmyadmin;

    index index.php index.html index.htm;

    location / {
        try_files $uri $uri/ =404;
        allow 127.0.0.1;
        allow unwichtig;
        allow unwichtig;
        deny all;
    }

    location ~ /robots.txt {
        allow all;
    }

    location ~ \.php$ {
        include snippets/fastcgi-php.conf;
        fastcgi_pass unix:/run/php/php7.0-fpm.sock;
        fastcgi_read_timeout 60;
    }
}