Hi,
We have recently implemented twin ASG525's running in HA mode on version 9.107-33. All is running quite well, both hosting using WAF and outbound http proxy.
One issue our users are experiencing has to do with an outbound RemoteApp (Remote Desktop) connection to an external vendor. When they actively use the window it all works fine. However, when they move away to another window (like their email) for more than about 5 minutes the session disconnects/timeout and they have to re-enter their credentials. I know this may not seem like a big deal but the TMG system we were running before this did not have the same issue and therefore the users are feeling inconvenienced.
The FQDN they point to for the session along with the IP range of the vendor's hosting are both in an exception to all rules in the web filtering area. I have watched the firewall, IPS and web filtering logs (with a filter for my client IP) but nothing appears in these when the session is disconnected. I also noticed that if the session is active but the screen switches off it is then disconnected.
I would assume that TMG had some sort of keepalive for these types of connections but have not seen anything like this in UTM. Anyone able to help me out?
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