Error Code 502 Proxy Error Isa
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Style Printable Version All Forums >> [ISA 2006 Web Proxy] >> Web Proxy Client 502 proxy error chrome >> ISA Error Code 502 Proxy Error Page: [1] Login Message << Older Topic Newer Topic >> ISA Error Code 502 502 proxy error web service Proxy Error - 12.Jun.2007 1:46:22 AM jacod@naledi.com Posts: 1 Joined: 12.Jun.2007 Status: offline Hello all, We are running ISA Server 2006 Enterprise. All users use web proxy on port 8080 to browse the https://support.microsoft.com/en-us/kb/935693 Internet from the Internal LAN. Our users can succesfully browse the Internet except when they want to access one specific web site. 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. The HTTP message includes an unsupported header or an unsupported combination of headers. (12156) Is there something we can do on our side to give access to http://forums.isaserver.org/ISA_Error_Code_502_Proxy_Error/m_2002046592/tm.htm the specific web site? Thank you. 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 this KB from Microsoft and consult with them to see if there is a Hot Fix available for 2006. The KB only applies to 2004 with the issue you are experiencing. http://support.microsoft.com/kb/915045/ Yorgy _____________________________Life is a zoo in a jungle! (in reply to jacod@naledi.com) Post #: 2 RE: ISA Error Code 502 Proxy Error - 25.Jun.2007 7:22:21 AM Johan_A Posts: 1 Joined: 27.Apr.2005 From: Sweden Status: offline We got the same error when we try to access http://www.esmaker.net/nx2/ Running ISA 2006 STD. http://www.dataviz.com/downloads/demo/index.html?product=RDS dosent work for us either. Yorgy have you fix the problem? /Johan (in reply to jacod@naledi.com) Post #: 3 RE: ISA Error Code 502 Proxy Error - 27.Jun.2007 12:31:49 PM SFletchall Posts: 2 Joined: 27.Jun.2007 Status: offline How about http://www.gamedev.net/community/forums/themes/theme1/theme.asp How about http://www.wellmark.com ? Now, how about https://www.wellmark.com (notice httpS) Now try https://www.dataviz.com/downloads/demo/index.html?product=RDS(notice httpS) I believe you're experiencing this issue: http://support.microsoft.com/kb/935882/ This is serious enough IMHO for M$ to release this in a patch all by itself. Why are they waiting for the next Service
502 Proxy Error Whenever an ISA or TMG server throws a 502 Proxy Error your way, you know you are probably in for a real hurdle. But with a little familiarity with what a 502 error means, and how it can be fixed, you http://www.chicagotech.net/msapps/isa1.htm will be back in business in little time. First, let’s take a look at the definition of http://stackoverflow.com/questions/6660360/error-code-502-proxy-error-the-isa-server-denied-the-specified-uniform-resourc 502 HTTP response code: 502 Bad Gateway The server was acting as a gateway or proxy and received an invalid response from the upstream server. Pay close attention to what that is saying. The proxy (meaning your ISA or TMG server) received an invalid response from the upstream server (implying that the internal webserver that you are publishing!). Unfortunately that is not always the case as ISA and TMG can throw 502 proxy that error when they are unhappy about something that a normal browser would readily accept. They can also throw one of several different kinds of 502 depending on the circumstances. Understanding is critical to a quick resolution. Don’t just stop reading at 502, check the rest of the response. Here is how to determine whether the problem is with your ISA/TMG, or on the internal server: 1. Open a browser on the internal network. 2. Access the URL in question. 3. If you can view the content successfully, the 502 proxy error problem is with your ISA/TMG. If not, the problem is with your webserver. Since this post is about ISA and TMG, let’s assume you are able to view the content internally just fine, so we’ll keep discussing ISA/TMG. 4. Go to your log viewer. In ISA that is Monitoring, or in TMG that is in Logs & Reports. 5. Edit the filter to look at live logs and have the user try again, or filter on the time range to see the error. Add the “Filter by” criteria for HTTP Status Code, and set it equal to 502. 6. Run the query, and examine the results. 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 blocked. Disable content filtering and see if you are then able to access the resource. If you are, look at the header in one of the logged errors (in your log, click the more information link on the error) and see what content type is being returned by the published server. 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. Create an access rule allowing the non-standard ports. • “502 Proxy Error. No data record is available. (11004)” is generated when the ISA/TMG cannot resolve the internal resource’s name to an IP address. Check your internal DNS, or your ISA/TMG’s DNS client configuratio
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Error Code: 502 Proxy Error. The ISA Server denied the specified Uniform Resource Locator up vote 2 down vote favorite I have installed apache HTTP server and after when i browse to localhost i am getting this error. Apache server is started. Port is configured to 80 and seems to be no one use it. I can't figure out what is the problem. Can someone? Thanks. apache http proxy share|improve this question asked Jul 12 '11 at 6:36 chAmi 74431122 add a comment| 2 Answers 2 active oldest votes up vote 1 down vote accepted The problem is that you're routing your localhost traffic through your upstream gateway proxy. The upstream gateway proxy refuses to send the traffic back, either because "localhost" has a different meaning to it, or because it's trying to prevent a security threat called "proxy bounceback." What URL are you using to access your site? Put that URL's hostname in your proxy exemption list. share|improve this answer answered Jul 12 '11 at 13:20 EricLaw 42.8k491136 That's might the reason i checked my proxy setting "Bypass proxy settings for local address" in the browser settings and it works for me. Thanks for the answer ericlaw. –chAmi Jul 13 '11 at 3:47 add a comment| up vote 1 down vote Open the ISA server2006 and create a role and allow networks internal to allow internal and external .And restart the isa services .It will work fine I tried this and it is working fine. share|improve this answer answered Oct 27 '11 at 8:03 rupesh 211 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook Sign up using Email and Password Post as a guest Name Email Post as a guest Name Email discard By posting yo