Function description
Operating Manual PCOM sec br2
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Function description
Plant network
Client PC
(VPN client)
Internet
Firewall for production
or plant network
SecurityBridge
Protected
network
Company network
Client PC
(VPN client)
Unprotected network
Firewall for
company network
Fig.: Overview
The SecurityBridge is used with in the company network to prevent unauthorised access to
downstream devices in a protected network. The access from the client PC to the devices
in the protected network can only be achieved using a VPN tunnel. A VPN client is used to
build up a VPN tunnel. In normal circumstances, the VPN client is within the company net-
work.
Configuration changes to a project can only be performed by users who have a relevant
permission.