SSRS导出到Excel不通过VPN工作(瞻博networkingSA4000)

我们有一个SharePoint(在Win2003 R2上的MOSS 2007)embeddedSSRS报告(来自SQL 2005)。

当我们通过VPN(防火墙是Juniper SA4000)并使用Internet Explorer(6,7和8)连接到SharePoint门户并尝试在Excel下导出任何SSRS报告时,我们收到错误消息:

Internet Explorer cannot download . Internet Explorer was not able to open the internet site. The requested site is either unavailable or cannot be found. Please try again later. 

当不使用VPN(从办公室的LAN),一切(导出在Excel中)工作正常。 通过VPN使用Firefox时,它工作正常。 在导出为任何其他格式(pdf或文本或其他格式)时,在IE和FF下都可以。

我们的防火墙人员怀疑SSRS / MOSS / Office中的某些东西。 我们的MOSS顾问怀疑Juniper SA4000防火墙有什么问题。

当使用Fiddler和当不通过VPN连接,我看到下面的stream量,一旦我点击“导出button”:(响应是一个客户端凭据的请求)

 GET /ReportServer/Reserved.ReportViewerWebControl.axd?ExecutionID=j1pqbvbqkb34qf45fhlgnx55&ControlID=733607a7d607476abb1e6b8794202158&Culture=127&UICulture=9&ReportStack=1&OpType=Export&FileName=Product+Application+Report&ContentDisposition=OnlyHtmlInline&Format=EXCEL HTTP/1.1 Accept: */* Accept-Language: en-US,fr-be;q=0.5 User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; GTB5; .NET CLR 2.0.50727; .NET CLR 1.1.4322; InfoPath.2; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; MS-RTC LM 8; OfficeLiveConnector.1.3; OfficeLivePatch.0.0; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729) Accept-Encoding: gzip, deflate Connection: Keep-Alive Host: r1frchcurdb01.r1.group.corp HTTP/1.1 401 Unauthorized Content-Length: 1656 Content-Type: text/html Server: Microsoft-IIS/6.0 WWW-Authenticate: Negotiate WWW-Authenticate: NTLM X-Powered-By: ASP.NET Date: Mon, 08 Jun 2009 09:25:21 GMT Proxy-Support: Session-Based-Authentication 

然后(通用响应成功):

 GET /ReportServer/Reserved.ReportViewerWebControl.axd?ExecutionID=j1pqbvbqkb34qf45fhlgnx55&ControlID=733607a7d607476abb1e6b8794202158&Culture=127&UICulture=9&ReportStack=1&OpType=Export&FileName=Product+Application+Report&ContentDisposition=OnlyHtmlInline&Format=EXCEL HTTP/1.1 Accept: */* Accept-Language: en-US,fr-be;q=0.5 User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; GTB5; .NET CLR 2.0.50727; .NET CLR 1.1.4322; InfoPath.2; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; MS-RTC LM 8; OfficeLiveConnector.1.3; OfficeLivePatch.0.0; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729) Accept-Encoding: gzip, deflate Connection: Keep-Alive Host: r1frchcurdb01.r1.group.corp Authorization: Negotiate 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 HTTP/1.1 200 OK Date: Mon, 08 Jun 2009 09:25:21 GMT Server: Microsoft-IIS/6.0 X-Powered-By: ASP.NET WWW-Authenticate: Negotiate oYGgMIGdoAMKAQChCwYJKoZIgvcSAQICooGIBIGFYIGCBgkqhkiG9xIBAgICAG9zMHGgAwIBBaEDAgEPomUwY6ADAgEXolwEWm70xlMp4oj/PyvriNMeNDigow6/MX2DpaYQdBfGkiF0Dcc323tHLRBxBL03QpvwdGBxZGAJI6V1G8sc/lVBzhlCNsZkbJcNfnMNgOgc7UPrz+ZVav/EVm3sDQ== X-AspNet-Version: 2.0.50727 Content-Disposition: attachment; filename="Product Application Report.xls" Cache-Control: private Expires: Mon, 08 Jun 2009 09:24:21 GMT Content-Type: application/vnd.ms-excel Content-Length: 23012 

在使用VPN时,我看不到Fiddler中的stream量,并且在其他情况之前显示错误消息。

2009年6月17日更新:我可以从我们的SA4000获得一些日志。 也许这可以帮助更多。

 Info PTR23232 2009/06/15 17:22:38 - <SA4000> - [<SA4000 IP>] - <user>[SA4000 group names] - Start Policy [WEBURL/PROTOCOL] evaluation for resource http://<DB server>:80/ReportServer/Reserved.ReportViewerWebControl.axd?ExecutionID=rua1g355tic24245f2e13lim&ControlID=44168efcd36e461493f7a69962580b91&Culture=127&UICulture=9&ReportStack=1&OpType=Export&FileName=Product+Application+Report&ContentDisposition=OnlyHtmlInline&Format=EXCEL Info PTR23233 2009/06/15 17:22:38 - <SA4000> - [<SA4000 IP>] - <user>[SA4000 group names] - Applying Policy [Enable HTTP 1.1]... Info PTR23240 2009/06/15 17:22:38 - <SA4000> - [<SA4000 IP>] - <user>[SA4000 group names] - Resource filter [http://nsrvnts2:80/*] does not match Info PTR23240 2009/06/15 17:22:38 - <SA4000> - [<SA4000 IP>] - <user>[SA4000 group names] - Resource filter [http://nsrvnts3:80/*] does not match Info PTR23233 2009/06/15 17:22:38 - <SA4000> - [<SA4000 IP>] - <user>[SA4000 group names] - Applying Policy [Disable HTTP 1.1]... Info PTR23239 2009/06/15 17:22:38 - <SA4000> - [<SA4000 IP>] - <user>[SA4000 group names] - Action [HTTP 1.0] is returned Info PTR23234 2009/06/15 17:22:38 - <SA4000> - [<SA4000 IP>] - <user>[SA4000 group names] - Policy [Disable HTTP 1.1] applies to resource Info PTR23308 2009/06/15 17:22:38 - <SA4000> - [<SA4000 IP>] - <user>[SA4000 group names] - Skip Policy [WEBURL/COMPRESSION] evaluation because Compression option is not enabled Info PTR23232 2009/06/15 17:22:38 - <SA4000> - [<SA4000 IP>] - <user>[SA4000 group names] - Start Policy [WEBURL/WEBPDSID] evaluation for resource http://<DB server>:80/ReportServer/Reserved.ReportViewerWebControl.axd?ExecutionID=rua1g355tic24245f2e13lim&ControlID=44168efcd36e461493f7a69962580b91&Culture=127&UICulture=9&ReportStack=1&OpType=Export&FileName=Product+Application+Report&ContentDisposition=OnlyHtmlInline&Format=EXCEL Info PTR23233 2009/06/15 17:22:38 - <SA4000> - [<SA4000 IP>] - <user>[SA4000 group names] - Applying Policy [Corporate BI Portal]... Info PTR23240 2009/06/15 17:22:38 - <SA4000> - [<SA4000 IP>] - <user>[SA4000 group names] - Resource filter [http://<SharePoint>:80/*] does not match Info PTR23240 2009/06/15 17:22:38 - <SA4000> - [<SA4000 IP>] - <user>[SA4000 group names] - Resource filter [http://<SharePoint>/*] does not match Info PTR23235 2009/06/15 17:22:38 - <SA4000> - [<SA4000 IP>] - <user>[SA4000 group names] - No Policy applies to resource 

任何提示欢迎。 🙂

尝试使用Fiddler检查公司LAN上的stream量,并通过VPN / Juniper防火墙比较stream量。 作为另一个比较,您可以尝试使用Firefox和IE的Fiddler 。 希望你会看到一个差异,将指向你正确的方向…

这与Firefox和IE之间的身份validation差异有关,还有一个破解IE身份validation方法的代理。

您也可以尝试更改SharePoint网站上的安全性,是否可以在短时间内(即允许匿名访问,不存在Integrated Security / NTFS问题)打开空白报告?

我们终于find了解决scheme。

我们不得不:

  • 将目标服务器添加到瞻博networking的caching选项,以便来自该服务器的信息不会被caching;
  • 将关于标题的瞻博networking参数从“智能”更改为“不变”。

现在它工作…

IIRC,一些瞻博networkingVPN不能将地址分配委托给您的组织的DHCP服务器,因此根据您如何保护DNS,客户端可能无法正确注册其主机名,这可能会破坏Kerberos。 此外,如果您使用反向代理访问Sharepoint服务器场,则有许多方法可以以破坏Kerberos的方式实现这一点。

我会尝试的第一件事是确保您允许协商auth,以便浏览器将降级到NTLM或基本/摘要身份validation。 如果这样做的话,你可以开始向VPN的人大喊大叫,他们可能会也可能不会做点什么。