GlobalSCAPE DMZ Gateway v3.1, User Manual

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Communicating with EFT Server or Mail Express Server
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If EFT Server cannot connect to DMZ Gateway, ensure that the EFT Server computer can
connect to the DMZ Gateway computer by pinging it. Verify that the DMZ Gateway firewall is
not blocking incoming connections.
10. You may need to establish a new connection with EFT Server by stopping and restarting
connected Sites.
a. In the left pane, click the Site node.
b. In the right pane, click the General tab.
c. Click Stop . The Site Status area displays "Stopped" with a red ball icon.
d. Click Start . The Site Status area displays "Running" with a green ball icon.
Configuring the DMZ Gateway Connection in Mail Express
Version 3.1 of Mail Express Server can connect to a network protected by DMZ Gateway v3.0.1 and later.
Using DMZ Gateway with the Mail Express Server allows administrators to limit access by allowing only
outbound connections from the Mail Express Server via the firewall configuration. DMZ Gateway is
designed to reside in the demilitarized zone and provide secure communication with the Mail Express
Server behind intranet firewalls without requiring any inbound firewall holes between the internal network
and the DMZ, and with no sensitive data stored in the DMZ, even temporarily. When configured to use
DMZ Gateway, Mail Express functions normally, giving no indication to end users of the system that the
additional piece has been added to the network.
The connection between Mail Express and DMZ Gateway is configured in the Mail Express administration
portal. You must enable an outbound port from Mail Express Server to DMZ Gateway over which Mail
Express Server is to connect to DMZ Gateway. The default port is 44500. Mail Express only
communicates over HTTPS, which uses port 443 by default.
In the DMZ Gateway interface, the Mail Express Server is considered a "Server" and the Mail Express
DMZ Protocol Handler is considered a "Site" (e.g., in the DMZ Gateway
Status pane). In the DMZ
Gateway version 3.1.0, when communicating with Mail Express Server, "Mail Express Server" appears in
the
Server Type
column. In earlier releases of DMZ Gateway, “[Unknown]” appears in the
Server Type
column.