502 Proxy Error. The Data Is Invalid. 13
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502 Proxy Error The Proxy Server Received An Invalid Response From An Upstream Server
(13) error Forefront > Forefront TMG and ISA Server Question 0 502 proxy error apache Sign in to vote when my users try to hit a particular URL (http://antiques.shop.ebay.com/Primitives-/1217/i.html?_trksid=p3910.c0.m485) they are getting 502 proxy error dns lookup failure an error page: Technical Information (for support personnel) Error Code: 502 Proxy Error. The data is invalid. (13) IP Address: 66.135.210.11 Date: 12/3/2010 4:44:00 PM [GMT]
502 Proxy Error Apache Error Reading From Remote Server
Server: ntTMG.gunnery.org Source: web filter This URL works fine if i bypass the TMG server. Other links on the antiques.shop.ebay.com menu work fine - just the primitives link fails. How do i diagnose the issue and resolve it. thanks Friday, December 03, 2010 4:45 PM Reply | Quote Answers 1 Sign in to vote
502 Proxy Error Reason Error Reading From Remote Server
Have you try this troubleshooting approach? http://blogs.technet.com/b/yuridiogenes/archive/2010/12/22/3292163.aspx HTH, Yuri Diogenes [MSFT] - http://blogs.technet.com/yuridiogenes Proposed as answer by Alexzv_MSFT Wednesday, January 19, 2011 2:06 PM Marked as answer by Yuri Diogenes [MSFT]Microsoft employee, Moderator Thursday, January 20, 2011 1:19 AM Thursday, December 23, 2010 12:49 AM Reply | Quote Moderator All replies 0 Sign in to vote Hi, I tried it with my Forefront TMG Server and a Windows 7 client as a Webproxy client and it worked fine. Do you have any special configurations with the HTTP Filter? Can you tell us more about the Firewall rule which should allow this traffic? If you have a look into the TMG monitoring do you see the right rule matched? Are you using web chaining?regards Marc Grote aka Jens Baier - www.it-training-grote.de - www.forefront-tmg.de - www.nt-faq.de Saturday, December 04, 2010 8:52 AM Reply | Quote 0 Sign in to vote Getting the same error here when trying to open my.ebay.de/ws/ebayISAPI.dll?MyEbay&gbh=1&CurrentPage=MyeBaySummary&ssPageName=STRK:ME:LNLK:MESUMX Any suggestions? Monday, December 06,
| Address Book | Member List | Search | FAQ | Ticket List | Log Out getting a data is invalid (13) error Users viewing this topic: none Logged in as: Guest Tree Style Printable Version All Forums 502 proxy error openshift >> [Threat Management Gateway (TMG) 2010] >> General >> getting a data is invalid (13)
502 Proxy Error Chrome
error Page: [1] Login Message << Older Topic Newer Topic >> getting a data is invalid (13) error - 9.Dec.2010 8:48:28 AM danielsb@gunnery.org 502 proxy error web service Posts: 54 Joined: 29.Jul.2004 Status: offline 0when my users try to hit a particular URL (http://antiques.shop.ebay.com/Primitives-/1217/i.html?_trksid=p3910.c0.m485) they are getting an error page: Technical Information (for support personnel) Error Code: 502 Proxy Error. The data is invalid. (13) https://social.technet.microsoft.com/Forums/forefront/en-US/35156df0-9e1c-431b-b3cc-9da781f8ddfc/getting-a-data-is-invalid-13-error?forum=Forefrontedgegeneral IP Address: 66.135.210.11 Date: 12/3/2010 4:44:00 PM [GMT] Server: ntTMG.gunnery.org Source: web filter This URL works fine if i bypass the TMG server. Other links on the antiques.shop.ebay.com menu work fine - just the primitives link fails. How do i diagnose the issue and resolve it. i posted this to the technet forums - i have gotten nothing, but they asked some questions about filters and policies - my reponse is below if it helps. i checked http://forums.isaserver.org/getting_a_data_is_invalid_(13)_error/m_2002105290/tm.htm system | web filters | http filter and saw nothing (is there someplace else i should check) the rule allows the Teachers AD group access to all ports from internal to external, all content type, anytime, with malware inspection. the person trying to access this said it was working until a few weeks ago. i will check to see if i made any changes, but i rarely touch this system. were there any ms updates that might have affected it? a number of other people, on the technet forum, also found this same issue. any thoughts? thanks bj Post #: 1 Featured Links* RE: getting a data is invalid (13) error - 9.Dec.2010 11:33:03 AM IanC Posts: 338 Joined: 11.Jul.2007 From: UK Status: offline Hi, It works fine for me from behind TMG. Have you seen this? http://blogs.technet.com/b/yuridiogenes/archive/2009/11/07/error-502-the-data-is-invalid-while-browsing-internet-through-tmg-2010-rc.aspx Ian _____________________________Ian Currie nAppliance TMG/UAG Appliances - EMEA www.surefront.co.uk (in reply to danielsb@gunnery.org) Post #: 2 Page: [1] << Older Topic Newer Topic >> All Forums >> [Threat Management Gateway (TMG) 2010] >> General >> getting a data is invalid (13) error Page: [1] Jump to: Select a ForumAll Forums---------------------- [Threat Management Gateway (TMG) 2010] - - General - - Installation [Forefront Unified Access Gateway 2010] - - General - - Installation - - DirectAccess [IAG 2007] - - General [ISA 2006 General] - - Installation and Plan
and hosted at their cloud provider. When running a query in Forefront TMG Logs and Reports view, I found the error below: Failed Connection Attempt Log type: Web http://www.fastvue.co/tmgreporter/blog/how-to-solve-13-the-data-is-invalid-error-in-forefront-tmg Proxy (Forward) Status: 13 The data is invalid. Rule: Source: Internal Destination: External Request: GET http:// Filter information: Req ID: 0fdbab91; Compression: client=No, server=Yes, compress rate=0% decompress rate=0% Protocol: http User: anonymous Cause This error occurs when the destination Web Server is using Chunked Encoding but it is not passing the correct TransferEnconding header. When researching about this problem I found a great post from my friend Yuri Diógenes that explains why this problem happens: According to RFC if 502 proxy a server is using chunked encoding it must set the Transfer-Encoding header to "chunked". In order to compress the content we need to accumulate all the chucks and then compress. When it works, TMG knows that all that content is part of the same HTTP request since it says in the HTTP Response Header; therefore it waits for the entire content, compress and send it back to the client. On the failing server 502 proxy error we receive the first answer that doesn’t say that the content is chucked and right after that we receive other chucks, since HTTP Compression is enabled it fails to reassemble all the content since it doesn’t know that they belong to the same content." - Yuri Diógenes at: http://blogs.technet.com/b/yuridiogenes/archive/2010/12/22/3292163.aspx Solution If possible, the best way to solve it is by asking the web site administrator to change the "TransferEncoding header" parameter on the web server to "chunked". See How to enable chunked transfer encoding with IIS. Workaround If you cannot wait for the website administrator to change this, you can workaround the problem by disabling HTTP Compression for the destination site. Disabling HTTP Compression altogether will cause higher bandwidth consumption and may cause other kinds of Internet access errors, so the better solution is to keep this service enabled and adding the destination IP as an exception: To add exclude a destination IP from HTTP Compression Open the Forefront TMG Management Console and go to Web Access Policy On the left hand side, click Configure HTTP Compression under Tasks. On the Request Compressed Data tab, click the Add button next to Exceptions To exclude a single IP, add a Computer for the destination IP address you want to exclude. Alternatively, you can create a new Address Range or Comp