While working on a support case recently, i came across this issue wherein we were trying to publish an application and there was a warning message generated in the web monitor logs about "POST without Content-Type not Allowed" while accessing it from a client machine.

The issue was that the request does not contain a Content-Type header, and the method used in the request was POST. According to the configuration of Forefront UAG, POST without a Content-Type header is not allowed by default.

To allow POST requests without a Content-Type header for this application, do the following;

Microsoft Forefront UAG Update 1 available for downlaod at http://www.microsoft.com/downloads/details.aspx?FamilyID=a862c57f-5c27-4cd0-8528-91b3cc5cd758&displaylang=en

We will discuss various scenarios related to accessing Citrix Presentation Server (Web Interface 3.0/4.0/4.5) and Citrix XenApp (Web Interface 5.0) from Mac OS 10 X machines which are published through UAG and IAG SP2 UP3(In general IAG SP2), but not configuration. For configuration, please follow the steps described at http://blogs.technet.com/b/edgeaccessblog/archive/2010/03/25/how-to-publish-citrix-xenapp-5-x-with-uag-2010.aspx

Details of components used in testing:

On few occassions you may encounter an issue wherein the nUAG appliance when started and joined to the domain for the first time will take long time to start and when it starts the MS Firewall service stays in "starting" state. This problem occurs mostly when user has not followed the quick start guide properly and continued with the steps one after the other. Two ways to resolve it;

#1 If you have already configured the nUAG appliance and now the MS Firewall service is not starting. 

nAppliance nUAG remote access appliance platform is a next generation, high-performance application access and security solution which unifies a Web application firewall, SSL VPN, endpoint security to enable secure application access, access control and content inspection for a wide variety of line-of-business applications. Together these technologies provide mobile and remote workers with easy and flexible secure application access from a broad range of devices and locations including both managed and unmanaged PCs, mobile devices and kiosks.