502 Proxy Error Isa Server Denied Url
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502 Proxy Error. Forefront Tmg Denied The Specified Uniform Resource Locator (url). (12202)
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The Isa Server Denied The Specified Uniform Resource Locator (url). (12202)
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403 Forbidden. The Server Denied The Specified Uniform Resource Locator (url)
more about Stack Overflow the company Business Learn more about hiring developers or error code 502 proxy error posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow isa 501 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 https://support.microsoft.com/en-us/kb/831140 the specified Uniform Resource Locator (URL). (12202) up vote 0 down vote favorite I am getting above error in some machines but not in some machines while accessing the documents. http proxy isaserver share|improve this question edited Mar 25 '09 at 22:53 Bravax 8,45262962 asked Jan 28 '09 at 4:49 Santosh add a comment| 2 Answers 2 active oldest votes up vote 0 down vote accepted More information http://stackoverflow.com/questions/486517/error-code-502-proxy-error-the-isa-server-denied-the-specified-uniform-resourc in your question might help, but after a quick google I found this forum which may answer your question (there appears to be a hotfix that may help). share|improve this answer answered Jan 28 '09 at 6:02 Marc Novakowski 30.2k64857 Thanks, actually in a single network from some machines I am able to access the documents present in a website correctly but from some machines for other users not able to, they are getting this error 502 –Santosh Jan 28 '09 at 6:09 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. Restart isa services, and it will be work fine. share|improve this answer edited Nov 8 '12 at 11:41 Tom 1,4761221 answered Oct 27 '11 at 8:07 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 your answer, you agree to the privacy policy and terms of service. asked 7 years ago viewed 18611 tim
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, http://www.chicagotech.net/msapps/isa1.htm and how it can be fixed, you will be back in business in little time. First, let’s take a look at the definition of 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!). 502 proxy Unfortunately that is not always the case as ISA and TMG can throw 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 502 proxy error on the internal network. 2. Access the URL in question. 3. If you can view the content successfully, the 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 allowin