====== nginx ======
===== install =====
ubuntu18.04
  sudo apt install nginx
====== proxyとして設定 ======

===== nginxのproxy設定 =====
/etc/nginx/sites-enabled/default.conf を消す
  sudo rm /etc/nginx/sites-enabled/default.conf
/etc/nginx/sites-available/xxxx.conf　を以下のように作成
  server {
    server_name www.xxxx.com;
    location / {
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-Host www.xxxx.com;
        proxy_pass http://localhost:8080;
    }
  }

/etc/nginx/conf.d/proxy.conf　を以下のように作成
  upstream proxybackend {
        server localhost:8080;
  }
  server {
        listen 0.0.0.0:80;
        server_name localhost;
        location / {
                proxy_pass http://proxybackend;
        }
  }
nginx再起動
  sudo systemctl stop nginx
  sudo systemctl start nginx



===== apach2のポート変更 =====
/etc/apache2/ports.conf
   #listen 80
   listen 8080
====== webdav設定 ======

403エラーが出る場合
その他ユーザに実行権限が有るか確認する