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ASA SSL VPN Smart tunnel problem with DotNet windows Application

Dear all

Has anyone experience of using a DotNet windows Application behind a SSL VPN Smart tunnel?!

We have an ASA5520 firewall acting as SSL VPN, clients connect to the SSL secure Page and use Smart tunnel to send their traffic to the desired and allowed destinations. Most of the applications work fine and can send their traffic through the Smart Tunnel, but when it comes to DotNet Windows Applications, their traffic does not pass through the Smart Tunnel. When I check the firewall logs in real time, it shows that firewall has not dropped any packet and I see TCP FINS for those flows.

My Speculation is that, DotNet Applications do not work as a single Process and behind the scene there are too many dependent processes to handle Dotnet Applications, because of that, allowing a single .EXE Process for these type of applications is useless.

Except DotNet windows Applications Almost 90% of my Processes like putty.exe and mstsc.exe and firefox.exe and etc., work fine through Smart Tunnel. I only have problems regarding DotNet Applications.

I really appreciate if anyone can help me with this issue.

   Regards

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