Nginx反向代理502错误的网关

我想用Nginx制作一个反向代理服务器,我有一个代理conf文件和一个Proxy-SSL。 不幸的是我有一些问题与代理SSL(HTTPS)
我正在尝试连接到https://owncloud.example.eu时,得到一个错误的网关502错误,我可以看到有一个服务器名称错误在日志(显示在底部),但我无法弄清楚我应该编辑,以使其工作

server { listen 443 ssl; server_name example.eu; ssl on; ssl_certificate /etc/nginx/ssl/wordpress/wordpress.crt; ssl_certificate_key /etc/nginx/ssl/wordpress/wordpress.key; #ssl_trusted_certificate /etc/nginx/ssl/path/ca-certs.pem; ssl_ciphers HIGH:!aNULL:!MD5; ssl_prefer_server_ciphers on; ssl_session_cache shared:SSL:1m; ssl_session_timeout 5m; ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # don't use SSLv3 because of killer poodles #Uncomment to enable the settings #gzip on; location / { # app1 reverse proxy follow proxy_set_header X-Real-IP $remote_addr; proxy_set_header Host $host; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_pass https://10.0.2.5:443; } } # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # Webserver 2 # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # server { listen 443 ssl; server_name owncloud.example.eu; ssl on; ssl_certificate /etc/nginx/ssl/owncloud /owncloud.crt; ssl_certificate_key /etc/nginx/ssl/owncloud/owncloud.key; #ssl_trusted_certificate /etc/nginx/ssl/path/ca-certs.pem; ssl_ciphers HIGH:!aNULL:!MD5; ssl_prefer_server_ciphers on; ssl_session_cache shared:SSL:1m; ssl_session_timeout 5m; ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # don't use SSLv3 because of killer poodles #Uncomment to enable the settings #gzip on; location / { # app1 reverse proxy follow proxy_set_header X-Real-IP $remote_addr; proxy_set_header Host $host; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_pass https://10.0.2.7:443; } }