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502 Proxy Error The Http Message Includes An Unsupported Header

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Join our community for more solutions or to ask questions. It would be better to fix the header response on the web server, but you can also apply a hot fix or reg hack to your ISA. The leading Microsoft Exchange Server and Office 365 resource site. Next by thread: Re: 502 Proxy Error. navigate to this website

They will warn about using this in a production environment, so I would recommend caution...although I personally installed this hotfix w/o testing it. (We have a backup ISA server[2004]that I can The secret for me was the Reg entry that needs to be put in before the hotfix works!!! [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\RAT\Stingray\Debug\Web Filters] "DROP_CONTINUATION_LINES"=dword:00000001 I needed to type that reg in manually, but it Consultant / Technical Writer Prowess Consulting www.prowessconsulting.com PROWESS CONSULTING | Microsoft Forefront Security SpecialistEmail: [email protected] MVP — Forefront Edge Security (ISA/TMG/IAG) See Also Review and Comments Name * Email address * Some of the frequent causes of ISA/TMG generating 502s are: • A 502 can be thrown by the ISA/TMG when content filtering is enabled and something in the response is being https://support.microsoft.com/en-us/kb/935693

Isa 502 Audit Evidence

Don’t just stop reading at 502, check the rest of the response. If you can view the content successfully, the problem is with your ISA/TMG. I like ISA 2006 alot, but the bosses are about to put the smack-down on me to go back to ISA2004 is this issue isn't resolved soon. Open a browser on the internal network. 2.

The web site is: http://www.dataviz.com/downloads/demo/index.html?product=RDS When they access the web site, the following ISA error is displayed: Error Code: 502 Proxy Error. Create an access rule allowing the non-standard ports. • “502 Proxy Error. Read More Articles & Tutorials Categories Articles Certification Configuration - Alt. my problems are solved as wellmark works :).

When I go to to icq web site and try to run icq to go. Please read our Privacy Policy and Terms & Conditions. Products & Platforms Configuration - General Configuration - Security General Guides and Articles Installation & Planning Miscellaneous Non-ISAserver.org Tutorials Product Reviews Publishing Products Software Access Control Anti Virus Authentication Bandwidth Control Technical Information (for support personnel) Error Code: 502 Proxy Error.

Thank you. Check your internal DNS, or your ISA/TMG’s DNS client configuration. Magalhaes Stefaan Pouseele Blogs Books Hardware ISA Appliances SSL Acceleration Links Message Boards Newsletter Signup RSS Feed Software Access Control Anti Virus Authentication Backup & Recovery Bandwidth Control Caching Content Security First, Just open a new email message.

Isa 501

The HTTP message includes an unsupported header or an unsupported combination of headers. (12156) Forefront > Forefront TMG and ISA Server Question 0 Sign in to vote hi we are facing https://www.petri.com/forums/forum/security/general-security/20155-isa-server-the-http-message-includes-an-unsupported-header-or-an-unsupported That URL was:http://cms.plannedparenthood.org/cms/ioRD.asp?Action=ShowLoginMask&LngId=ENGAnother site that I cannot access with ISA 2006(which is why I am visitingthis message board) ishttp://dataxchange.confpro.com/servlet/DCL.MeetingServer.Admin.DCMSAdminIf anyone has any advice on this bug, PLEASE let us know. Isa 502 Audit Evidence Perhaps they're still testing it. This problem occurs if a Web server response contains an HTTP header that begins with a space or with a TAB character.

As far as I know, this KB was also applied to TMG server. useful reference Post #: 1 Featured Links* RE: ISA Error Code 502 Proxy Error - 13.Jun.2007 5:33:22 PM Yorgy Posts: 158 Joined: 20.Sep.2006 Status: offline You may want to look over Check It Out Suggested Solutions Title # Comments Views Activity Server 2012 Domain Controler 4 438 986d Managing ForeFront Endpoint with SCCM2012 4 1,144 776d TMG 2010 - How to block All the sites that you've listed did not work for me before the hotfix and now they work.

Experts Exchange Miscellaneous How to Send a Secure eFax Video by: j2 Global Sending a Secure fax is easy with eFax Corporate (http://www.enterprise.efax.com). but its not applicable http://support.microsoft.com/kb/935693Ahmad Shami Moved by Rick TanModerator Thursday, August 04, 2011 8:35 AM (From:Forefront Client Security) Wednesday, August 03, 2011 6:56 AM Reply | Quote Answers 0 Join Now For immediate help use Live now! my review here Our users can succesfully browse the Internet except when they want to access one specific web site.

This guest post was provided by Ed Fischer on behalf of GFI Software Ltd. I wonder if our firewall might be stripping certain information from these sites that isa2006 wants to see. Join the community of 500,000 technology professionals and ask your questions.

Please let me know how you fix it.

Authorize that in your content filter. • If you are using ISA/TMG as a client proxy, and the destination server is running on a non-standard port, you can encounter this error. ISA server software Monitoring & Admin Reporting Hardware ISA Appliances SSL Acceleration TMG Appliances UAG Appliances Reviews Free Tools Blogs Forums Contact Us Hardware ISA Appliances SSL Acceleration TMG Appliances UAG Currently i've revert back to my old ISA 2000 server which has never encountered this kind of problem. (in reply to tchescat) Post #: 7 RE: ISA Error Code 502 Proxy All users use web proxy on port 8080 to browse the Internet from the Internal LAN.

Either re-enable it, or disable compression on the internal server. • “502 Proxy Error. The HTTP message includes an unsupported header or an unsupported combination of headers. (12156)” happens when a web server returns a header with a space or tab character. Edit the filter to look at live logs and have the user try again, or filter on the time range to see the error. http://rlegsoftware.com/502-proxy/502-proxy-error-message.php Comment Submit Your Comment By clicking you are agreeing to Experts Exchange's Terms of Use.

installed it, but it is still not working :( Any ideas? Check out Filezilla. • “502 Proxy Error. In ISA that is Monitoring, or in TMG that is in Logs & Reports. 5. The client succeeds if the Firefox browser uses the Fireall Client to access the site when there are not proxy settings configured.

All right, now after installing this hotfix, nothing changed… at first. Featured Post Anonabox PRO Tor & VPN Router Promoted by Experts Exchange PRO is the most advanced way to fortify your privacy and online anonymity by layering the Tor network with Add the “Filter by” criteria for HTTP Status Code, and set it equal to 502. 6.