在我的php网站中，通过在apache错误日志中提供以下内容，与paypal关联的页面重定向无法正常工作。我在Dockerfile中暴露了端口80和443。其余的东西在网站上工作正常，具有相同代码的网站在我的本地apache服务器上正常运行。
* Trying 173.0.82.83...
* Connected to api-3t.sandbox.paypal.com (173.0.82.83) port 443 (#0)
* ALPN, offering http/1.1
* Cipher selection:
ALL:!EXPORT:!EXPORT40:!EXPORT56:!aNULL:!LOW:!RC4:@STRENGTH
* successfully set certificate verify locations:
* CAfile: /etc/ssl/certs/ca-certificates.crt
CApath: /etc/ssl/certs
* SSL connection using TLSv1.2 / AES256-SHA256
* ALPN, server did not agree to a protocol
* Server certificate:
* subject: C=US; ST=California; L=San Jose; O=PayPal, Inc.; OU=PayPal
Production; CN=api-3t.sandbox.paypal.com
* start date: Jan 14 00:00:00 2016 GMT
* expire date: Jan 14 23:59:59 2018 GMT
* subjectAltName: api-3t.sandbox.paypal.com matched
* issuer: C=US; O=Symantec Corporation; OU=Symantec Trust Network;
CN=Symantec Class 3 Secure Server CA - G4
* SSL certificate verify ok.
> POST /nvp HTTP/1.1
Host: api-3t.sandbox.paypal.com
Accept: */*
Content-Length: 655
Content-Type: application/x-www-form-urlencoded
* upload completely sent off: 655 out of 655 bytes
< HTTP/1.1 200 OK
< Date: Mon, 04 Sep 2017 08:07:48 GMT
< Server: Apache
< X-SLR-RETRY-API: SetExpressCheckout
< X-PAYPAL-OPERATION-NAME: SetExpressCheckout
< X-PAYPAL-API-RC:
< Connection: close
< HTTP_X_PP_AZ_LOCATOR: sandbox.slc
< Paypal-Debug-Id: 6692e8ec22b4a
< Set-Cookie: X-PP SILOVER=name%3DSANDBOX3.API.1%26silo_version%3D1880%26app%3Dappdispatcher_apit%26TIME%3D3691621721%26HTTP_X_PP_AZ_LOCATOR%3Dsandbox.slc; Expires=Mon, 04 Sep 2017 08:37:56 GMT; domain=.paypal.com; path=/; Secure; HttpOnly
< Set-Cookie: X-PP-SILOVER=; Expires=Thu, 01 Jan 1970 00:00:01 GMT
< Content-Length: 137
< Content-Type: text/plain; charset=utf-8
<
* Closing connection 0
请帮我解决此错误。
我可以在本地的apache下找到错误日志，如果成功，则无法记录任何内容
我正在使用oracle VM中安装的Ubuntu 17.04。我无法从VM中的服务器ping paypal沙箱URL。如果我试图从我的本地命令提示符ping URL，我将获得请求超时，尽管我的本地apache（来自XAMP）成功进行了paypal连接。