Tofino Xenon Security Appliance Tofino SA
Release 04 05/2015
39
3.2
Operating Modes
This device works in one of 3 operating modes:
Unconfigured mode
Test mode
Operational mode
Mode
Description
LED
Color
Activity
Unconfigured
mode
This is the mode of the device on delivery.
All security functionality is turned off and the
device is listening for initialization
commands.
The device has been preconfigured so that
all Ethernet traffic in both directions is
permitted. This is so that the installation of
the device will not interrupt or impact
process operations.
MODE
---
None
Test Mode
In Test mode the device does not impact
network traffic in any way, but generates
alarm messages for any traffic that would
have been blocked if the device was in
Operational mode.
This is used to test that the device is
correctly configured before it is used to filter
control system traffic.
MODE
Green
Flashing
Operational
Mode
In Operational mode the device is fully oper-
ational, processes all traffic, and will block
any messages not specifically permitted by
firewall rules.
MODE
Green
Solid
Table 13: Operating modes
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