HAProxy and MS Remote Desktop Gateway

[Kevin COUSIN]

Hi all,

I install an HAproxy instance to load balance an Remote Desktop Gateway 2012 
R2. It works fine in Layer 7 with this configuration and a Windows 8.1, but it 
dont works with an xfreerdp.I see a difference in logs, with a Windows client : 
 MS-RDGateway/1.0, an a xfreerdp app : MSRPC, so I thing HAproxy cannot process 
the MSRPC requets. Must I switch to Layer 4 LoadBalacing ?

Thanks a lot

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   Kevin C.