NETGEAR SRXN3205 Router Manual PDF (Setup & Configuration Guide)

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ProSafe Wireless-N VPN Firewall SRXN3205 Reference Manual

Firewall and Network Management

9-11

v1.0, October 2008

The firewall’s remote login URL is

https://<

IP_address>

or

https://<

FullyQualifiedDomainName>

..

Using an SNMP Manager

Simple Network Management Protocol (SNMP) lets you monitor and manage your firewall from

an SNMP Manager. It provides a remote means to monitor and control network devices, and to

manage configurations, statistics collection, performance, and security.

The SNMP Configuration table lists the SNMP configurations by:

•

IP Address

. The IP address of the SNMP manager.

•

Port

. The trap port of the configuration.

Note:

To maintain security, the SRXN3205 will reject a login that uses

http://address

rather than the SSL

https://address

.

Note:

The first time you remotely connect to the SRXN3205 with a browser via SSL, you

may get a warning message regarding the SSL certificate. If you are using a

Windows computer with Internet Explorer 5.5 or higher, simply click Yes to accept

the certificate.

Note:

If you are unable to remotely connect to the SRXN3205 after enabling HTTPS

remote management, check whether other user policies, such as the default user

policy, are preventing access.

Note:

If you disable HTTPS remote management, all SSL VPN user connections will

also be disabled.

Tip:

If you are using a dynamic DNS service such as TZO, you can identify the WAN IP

address of your SRXN3205 by running

tracert

from the Windows Run menu

option. Trace the route to your registered FQDN. For example, enter

tracert

SRXN3205.mynetgear.net

,

and the WAN IP address that your ISP assigned

to the SRXN3205 is displayed.

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ProSafe Wireless-N VPN Firewall SRXN3205 Reference Manual

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•

Community

. The trap community string of the configuration.

To create a new SNMP configuration entry:

1.

Select

Administration > SNMP

from the main/submenu and the

SNMP

screen displays.

.

2.

Configure the following fields in the

Create New SNMP Configuration Entry

section:

•

Enter the IP Address of the SNMP manager in the

IP Address

field and the Subnet Mask

in the

Subnet Mask

field.

–

If you want to allow only the host address to access the VPN firewall and receive

traps, enter an IP Address of, for example, 192.168.1.101 with a Subnet Mask of

255.255.255.

255

.

–

If you want to allow a subnet access to the VPN firewall through SNMP, enter an IP

address of, for example,192.168.1.101 with a Subnet Mask of 255.255.255.

0

. The

traps will still be received on 192.168.1.101, but the entire subnet will have access

through the community string.

–

If you want to make the VPN firewall globally accessible using the community string,

but still receive traps on the host, enter 0.0.0.0 as the Subnet Mask and an IP Address

for where the traps will be received.

•

Enter the trap port number of the configuration in the

Port

field. The default is 162.

•

Enter the trap community string of the configuration in the

Community

field.

3.

Click

Add

to create the new configuration. The entry is displayed in the

SNMP

Configuration

table.

The

SNMP System Info

link, located in the upper right of the screen, opens the

SNMP

SysConfiguration

screen. This screen displays the VPN firewall identification information

available to the SNMP manager: System Contact, System Location, and System name. You can

edit these values.

Figure 9-4

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ProSafe Wireless-N VPN Firewall SRXN3205 Reference Manual

Firewall and Network Management

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Settings Backup and Firmware Upgrade

Once you have installed the VPN firewall and have it working properly, you should back up a copy

of your settings, in case something gets corrupted. When you backup the settings, these are saved

as a file on your computer. You can then restore the VPN firewall settings from this file. The

Settings Backup and Firmware Upgrade

screen allows you to:

•

Back up and save a copy of your current settings

•

Restore saved settings from the backed-up file.

•

Revert to the factory default settings.

•

Upgrade the VPN firewall firmware from a saved file on your hard disk to use a different

firmware version.

Backup and Restore Settings

To backup settings:

1.

Select

Administration > Settings Backup and Firmware Upgrade

from the main/submenu.

The

Settings Backup and Firmware Upgrade screen displays.

2.

Click

Backup

to save a copy of your current settings.

•

If your browser isn’t set up to save downloaded files automatically, locate where you want

to save the file, specify file name, and click Save.

Figure 9-5

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ProSafe Wireless-N VPN Firewall SRXN3205 Reference Manual

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•

If you have your browser set up to save downloaded files automatically, the file will be

saved to your browser’s download location on the hard disk.

To restore settings from a backup file:

1.

Next to

Restore save settings from file

, click the

Browse

button.

2.

Locate and select the previously saved backup file (by default, netgear.cfg).

3.

When you have located the file, click the

Restore

button.

An Alert page will appear indicating the status of the restore operation. You must manually

restart the VPN firewall for the restored settings to take effect.

To reset the firewall to the original factory default settings, click the

Default

button.

You must manually restart the VPN firewall before the default settings to take effect. After

rebooting, the firewall’s password will be

password

and the LAN IP address will be

192.168.1.1.

The VPN firewall will act as a DHCP server on the LAN, to the wireless clients, and act as a

DHCP client to the Internet.

Router Upgrade

You can install a different version of the VPN firewall firmware from the

Settings Backup and

Firmware Upgrade

menu. To view the current version of the firmware that your VPN firewall is

running, choose

Monitoring

from the main menu. The

Router Status

screen is displayed,

showing all of the VPN firewall router statistics, including the firmware version. When you

upgrade your firmware, the new firmware version will be displayed.

To download a firmware version:

1.

Go to the NETGEAR Web site at

http://www.netgear.com/support

and click

Downloads.

2.

From the

Product Selection

pull-down menu, choose the SRXN3205. Select the software

version and follow the

To Install

steps to download your software.

Warning:

Once you start restoring settings or erasing the firewall, do NOT interrupt

the process. Do not try to go online, turn off the firewall, shut down the

computer or do anything else to the firewall until it finishes restarting!

Warning:

When you click

default,

your firewall settings will be erased. All firewall

rules, VPN policies, LAN/WAN settings and other settings will be lost. Please

backup your settings or all your settings will be lost!

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ProSafe Wireless-N VPN Firewall SRXN3205 Reference Manual

Firewall and Network Management

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v1.0, October 2008

After downloading an upgrade file, you may need to unzip (uncompress) it before upgrading

the firewall. If release notes are included in the download, read them before continuing.

To upgrade the router software:

1.

Select

Administration > Settings Backup and Firmware Upgrade

from the main/submenu.

2.

In the

Router Upgrade

section, click

Browse.

3.

Locate the downloaded file and click

Upload.

This will start the software upgrade to your

VPN firewall. This may take some time. At the conclusion of the upgrade, your firewall will

reboot.

4.

After the VPN firewall has rebooted, click

Monitoring

and confirm the new firmware version

to verify that your firewall now has the new software installed.

Configuring Time Zone Settings

The

Time Zone

screen provides settings for Date, Time and NTP server designations. The

Network Time Protocol (NTP) is used to synchronize computer clock times in a network of

computers.

To set Time, Date and NTP servers:

1.

Select

Administration > Time Zone

from the main/submenu.

The Time Zone

screen displays.

Warning:

Do not try to go online, turn off the firewall, shutdown the computer or do

anything else to the firewall until the firewall finishes the upgrade! When

the Test light turns off, wait a few more seconds before doing anything.

Note:

In some cases, such as a major upgrade, it may be necessary to erase the

configuration and manually reconfigure your firewall after upgrading it. Refer

to the release notes included with the software to find out if this is required.

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