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Installation Guide

ProSecure™ Web/Email Security Threat Management Appliance STM150

Start Here

Follow these instructions for 
setting up a gateway 
configuration where a single 
STM150 is installed between 
your firewall and the LAN core 
switch. 

After completing these 
installation steps, your network 
will resemble this illustration.

For server group or segmented 
LAN configurations, refer to the 

Reference Manual

You can download the 

Reference Manual 

from the documentation link in the Web Support page of the product 

user interface or from the ProSecure site at:

http://prosecure.netgear.com/resources/document-library.php

Before you begin, ensure you have the IP configuration parameters of your network 
(available reserved IP address, subnet range, gateway, and DNS addresses).

Estimated completion time: 25 minutes.

Verify the Package Contents

Unpack the box and verify the contents:

ProSecure Web/Email Security Threat Management Appliance STM150

Depending on the model purchased, license registration card

Rubber feet (4) with adhesive backing

Rack mount brackets hardware

Power cord

Straight through Category 5 Ethernet Cable

Installation Guide

Familiarize Yourself with the STM150

Take note of the connectors, status lights, and controls on the front and back of the unit.

1.

Power

Green power LED.

2.

Test

.

 Amber test LED.

3.

NETGEAR Diagnostic USB ports.

4.

UPLINK Gigabit Ethernet port.

5.

Four DOWNLINK Gigabit Ethernet ports.

6.

Serial console port.

7.

Kensington lock connector to prevent unauthorized removal of the unit

.

8.

Power button - press once for normal shut down; press and hold for forced shutdown.

9.

Recessed pin-push back to factory default reset button.

10. Power connector.

Connect the STM150 to Your Network

1. 

Power on the STM150 by plugging in the power cable and connecting it to the power 

connector on the rear of the unit. Verify the following:

Power. 

The power LED (1) should turn solid green. If it does not turn solid green, 

see the Troubleshooting section in the 

Reference Manual

.

Test.

 Initially, the amber test LED (2) will be lit for approximately 2 minutes. If it 

is still on after 2 minutes, see the Troubleshooting Tips.

2. 

Connect the UPLINK Ethernet port (4) to your gateway firewall. 

1

2

5

4

3

6

7

10

9

8

3. 

Use the Ethernet port LEDs to verify the status and speed of the connection, 
according to the legend printed on the front of the unit.

4. 

Connect a computer to the STM150

a.

The STM150 factory default IP address is 192.168.1.201. Configure a computer 
with a static IP address such as 192.168.1.111. 

b.

Connect this computer to one of the DOWNLINK Ethernet ports (5). 

c.

Use the Ethernet port LEDs to verify the status and speed of the connection, 
according to the legend printed on the front of the unit.

Configure the STM150 Network Settings

1. 

Log in to the STM150

a.

Use a browser to connect to 

https://192.168.1.201

.

b.

When prompted, enter 

admin 

for 

the User Name and 

password

 for the Password. 

c.

Click 

Login. 

You are now connected. The default Status

 

screen displays. 

The Web Support

 

tab on the main menu contains links to 

the online ProSecure STM150 product documentation and support 
knowledgebase. 

Note

: After 5 minutes of inactivity (the default login time-out), you are 

automatically logged out. 

2. 

Configure the Network Settings

a.

Select Global Settings > Network 
Settings. The Network Settings tab 
displays.

b.

Fill in the settings, according to the 
configuration requirements of your 
network. Be sure to record the IP 
address you assign the STM150; you will need it in the future when you log in to 
this unit. For now, ignore the speed and MTU settings.

Note

: If your network uses DHCP, be sure to reserve this IP address for the 

STM150 in your DHCP server or gateway firewall.

https://192.168.1.201

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