ZyXEL Communications NSG50 Bedienungsanleitung

Default Login Details

User’s Guide

NSG Series

NSG50 / NSG100

Nebula Cloud-Management Security Gateway

LAN IP Address https://(IP assigned by NCC)

https://192.168.1.1

User Name admin

Password Assigned by NCC

1234

Version 1.20 Edition 1, 03/2017

NSG Series User’s Guide

IMPORTANT!

READ CAREFULLY BEFORE USE.

KEEP THIS GUIDE FOR FUTURE REFERENCE.

This is a User’s Guide for a series of products. Not all products support all firmware features. Screenshots

and graphics in this book may differ slightly from your product due to differences in your product

firmware or your computer operating system. Every effort has been made to ensure that the information

in this manual is accurate.

Related Documentation

•QuickStartGuide

The Quick Start Guide shows how to connect the NSG and access the Web Configurator.

• Web Configurator Online Help

Click the help icon in any screen for help in configuring that screen and supplementary information.

•MoreInformation

Go to support.zyxel.com to find other information on the NSG.

Table of Contents

NSG Series User’s Guide

Table of Contents

Table of Contents.................................................................................................................................3

Chapter 1

Introduction ..........................................................................................................................................5

1.1 Overview ........................................................................................................................................... 5

1.2 Management Overview .................................................................................................................. 5

1.3 Good Habits for Managing the NSG .............................................................................................. 6

1.4 LEDs .................................................................................................................................................... 6

1.4.1 NSG50 ....................................................................................................................................... 6

1.4.2 NSG100 ..................................................................................................................................... 7

1.5 Web Configurator ............................................................................................................................. 8

1.5.1 Web Configurator Access ...................................................................................................... 8

1.5.2 Web Configurator Screens Overview ................................................................................. 10

1.5.3 Navigation Panel .................................................................................................................. 10

1.5.4 Tables and Lists ...................................................................................................................... 11

Chapter 2

Dashboard..........................................................................................................................................14

2.1 Overview ......................................................................................................................................... 14

2.1.1 What You Can Do in this Chapter ....................................................................................... 14

2.2 Dashboard Screen ......................................................................................................................... 14

Chapter 3

Monitor................................................................................................................................................16

3.1 Overview ......................................................................................................................................... 16

3.2 USB Storage Screen ........................................................................................................................ 16

Chapter 4

Configuration......................................................................................................................................18

4.1 Interface .......................................................................................................................................... 18

4.1.1 Ethernet .................................................................................................................................. 18

4.1.2 Ethernet Edit .......................................................................................................................... 19

4.2 SSH ................................................................................................................................................. 21

4.2.1 How SSH Works ...................................................................................................................... 21

4.2.2 SSH Implementation on the NSG ......................................................................................... 22

4.2.3 Requirements for Using SSH .................................................................................................. 22

4.2.4 Configuring SSH ..................................................................................................................... 22

4.2.5 Secure Telnet Using SSH Examples ...................................................................................... 23

4.3 User ................................................................................................................................................... 24

Table of Contents

NSG Series User’s Guide

4.4 USB Storage ..................................................................................................................................... 25

Chapter 5

Maintenance......................................................................................................................................26

5.1 Diagnostics Overview .................................................................................................................... 26

5.2 Diagnostics Screen ......................................................................................................................... 26

5.2.1 Diagnostics Files Screen ....................................................................................................... 27

5.3 Packet Capture Screen ................................................................................................................. 28

5.3.1 Packet Capture Files Screen ............................................................................................... 30

5.4 Network Tool Screen ...................................................................................................................... 31

Chapter 6

Troubleshooting..................................................................................................................................33

6.1 Resetting the NSG ........................................................................................................................... 34

6.2 Getting More Troubleshooting Help ............................................................................................. 34

Appendix A Customer Support ....................................................................................................... 35

Appendix B Legal Information ......................................................................................................... 41

Index...................................................................................................................................................47

NSG Series User’s Guide

CHAPTER 1

Introduction

1.1 Overview

This User’s Guide covers the following models: NSG50 and NSG100. The NSG (Nebula Security Gateway)

comes with one or two USB ports for storing the packet capture files and/or diagnostic information in the

connected USB storage devices. The NSG’s security features include VPN, firewall, ADP (Anomaly

Detection and Protection), and certificates. It also provides bandwidth management, NAT, port

forwarding, policy routing, DHCP server and many other powerful features.

The NSG is managed and provisioned by the NCC (Nebula Control Center) automatically when it is

connected to the Internet. If you need to check the NSG’s system status, configure WAN connection

settings or collect diagnostic information, access its built-in Web Configurator. The NSG’s default static IP

address is 192.168.1.1, but you need to use the console port or check the NCC's Gateway > Configure >

Interface addressing screen for the NSG's current LAN IP address when the NSG is being managed or

has been managed by the NCC.

See the Quick Start Guide for how to make hardware connections.

1.2 Management Overview

You can manage the NSG in the following ways.

http://192.168.1.1

http://nebula.zyxel.com

http://(IP assigned by NCC)

Chapter 1 Introduction

NSG Series User’s Guide

NCC (Nebula Control Center)

With the NCC, you can remotely manage and monitor the NSG through a cloud-based network

management system. See the NCC User’s Guide for detailed information about how to access the NCC

and manage your NSG via the NCC.

Web Configurator

The built-in Web Configurator allows basic NSG setup and monitoring using an Internet browser. This

User’s Guide provides information about the Web Configurator.

Figure 1 Managing the NSG: Web Configurator

1.3 Good Habits for Managing the NSG

Do the following things regularly to make the NSG more secure and to manage it more effectively.

• Change the NSG’s system password through the NCC occasionally. Use a password that’s not easy to

guess and that consists of different types of characters, such as numbers and letters.

• Write down the password and put it in a safe place.

1.4 LEDs

Following are LED descriptions for the NSG series models.

1.4.1 NSG50

The following are the LED descriptions for your NSG50.

Chapter 1 Introduction

NSG Series User’s Guide

Figure 2 NSG50 LEDs

The following table describes the LEDs.

1.4.2 NSG100

The following are the LED descriptions for your NSG100.

Figure 3 NSG100 LEDs

Table 1 NSG50 LED Descriptions

LED COLOR STATUS DESCRIPTION

PWR Off The NSG is turned off.

Green On The NSG is turned on.

Red On There is a hardware component failure. Shut down the device, wait for a few

minutes and then restart the device. If the LED turns red again, then please

contact your vendor.

SYS Green Off The NSG is not ready or has failed.

On The NSG is ready and running.

Blinking The NSG is booting, connected to the NCC but not registered, or searching for

(discovering) the NCC.

Red On The NSG encountered an error or has failed.

P1, P2... Green Off There is no traffic on this port.

Blinking The NSG is sending or receiving packets on this port.

Orange Off There is no connection on this port.

On This port has a successful link.

USB Green Off No device is connected to the NSG’s USB port or the connected device is not

supported by the NSG.

On A USB storage device is connected to the USB port.

Chapter 1 Introduction

NSG Series User’s Guide

The following table describes the LEDs.

1.5 Web Configurator

In order to use the Web Configurator, you must:

• Use one of the following web browser versions or later: Internet Explorer 10.0 and later versions, Mozilla

Firefox 36.0 and later versions, Safari 9.0 and later versions, or Google Chrome 38.0 and later versions

• Allow pop-up windows (blocked by default in Windows XP Service Pack 2)

• Enable JavaScripts, Java permissions, and cookies

The recommended screen resolution is 1024 x 768 pixels.

1.5.1 Web Configurator Access

1Make sure your NSG hardware is properly connected. See the Quick Start Guide.

2In your browser go to http://(IP assigned by NCC) or http://192.168.1.1. See Section 1.1 on page 5 for

more information. By default, the NSG automatically routes this request to its HTTPS server, and it is

recommended to keep this setting. The Login screen appears.

Table 2 NSG100 LED Descriptions

LED COLOR STATUS DESCRIPTION

PWR Off The NSG is turned off.

Green On The NSG is turned on.

Red On There is a hardware component failure. Shut down the device, wait for a few

minutes and then restart the device. If the LED turns red again, then please

contact your vendor.

SYS Green Off The NSG is not ready or has failed.

On The NSG is ready and running.

Blinking The NSG is booting, connected to the NCC but not registered, or searching for

(discovering) the NCC.

Red On The NSG encountered an error or has failed.

USB Green Off No device is connected to the NSG’s USB port or the connected device is not

supported by the NSG.

On A USB storage device is connected to the USB port.

P1, P2... Green Off There is no traffic on this port.

Blinking The NSG is sending or receiving packets on this port.

Orange Off There is no connection on this port.

On This port has a successful link.

Chapter 1 Introduction

NSG Series User’s Guide

3Type the user name (default: “admin”) and password (default: “1234”). If the NSG is being managed or

has been managed by the NCC, check the NCC's Site-Wide > Configure > General setting screen for

the NSG's current password.

4Click Login. After you log in for the first time using the default user name and password, you must

change the default admin password in the Update Admin Info screen. Type a new password of up to 63

printable characters without spaces, then click Apply.

5The Login screen appears after you click Apply.

Chapter 1 Introduction

NSG Series User’s Guide

1.5.2 Web Configurator Screens Overview

The Web Configurator screen is divided into these parts :

•A- title bar

•B- navigation panel

•C- main window

Title Bar

Figure 4 Title Bar

The title bar icons in the upper right corner provide the following functions.

1.5.3 Navigation Panel

Use the navigation panel menu items to open status and configuration screens. The following sections

introduce the NSG’s navigation panel menus and their screens.

Dashboard

The dashboard displays general device information, system status, and extenison slot status in widgets

that you can re-arrange to suit your needs.

Table 3 Title Bar: Web Configurator Icons

LABEL DESCRIPTION

Logout Click this to log out of the Web Configurator.

Help Click this to open the help page for the current screen.

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