![]() We debugged the flow and it seems that the packets are going through the AV and into the application layer inside the firewall, but we cannot trace these layer, because of missing skills from us. The servers can ping each other and we can make file transfer via smb/cifs without any troubles. Our policies allow all traffic from the dmz to lan and back, we have no AV profiles attached to these policies, but wenn our webserver connects to the application server, the connection and session will be dropped after a few seconds. We have a webserver in our dmz which connects on tcp port 2000 on our application server in our lan. Maybe some of you can help is with debugging. ![]() We wanted to change our ZyXel Firewall with a FortiGate 100E, but had/have problems with our software which blocked our change.
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