SnapGear 2.0.1 User Manuals

Table of Contents

• Introduction

  1
• CyberGuard SG Gateway Appliances

  1
• CyberGuard SG PCI Appliances

  2
• Document Conventions

  4
• Your CyberGuard SG Gateway Appliance

  5
• CyberGuard SG Gateway Appliance Features

  7
• Your CyberGuard SG PCI Appliance

  8
• CyberGuard SG PCI Appliance Features

  9
• Getting Started

  10
• CyberGuard SG Gateway Appliances

  11
• Set up a PC to Connect to the Web Management Console

  11
• Set up the Password and LAN Connection Settings

  14
• Set up Internet Connection Settings

  18
• Set up the PCs on your LAN to Access the Internet

  19
• CyberGuard SG PCI Appliances

  24
• Install your CyberGuard SG Appliance in a Spare PCI Slot

  24
• Install the Network Driver on your PC

  24
• Set up your PC to Connect to the Web Management Console

  24
• Set up the Password and Network Connection Settings

  26
• Disabling the Reset Button on your CyberGuard SG PCI Appliance

  32
• Network Connections

  33
• Connections

  33
• LAN

  34
• Internet

  35
• Internet Connection Methods

  36
• COM/Modem

  39
• DMZ

  41
• Services on the DMZ Network

  42
• Load Balancing

  43
• Internet Failover

  43
• Routes

  46
• Advanced

  47
• QoS Traffic Shaping

  51
• Dialin Setup

  52
• Dialin Setup

  53
• Dialin User Accounts

  55
• Account list

  56
• Remote User Configuration

  58
• DHCP Server

  63
• DHCP Server Configuration

  63
• DHCP Proxy

  67
• Firewall

  68
• Incoming Access

  68
• CyberGuard SG Administrative Web Server

  70
• Packet Filtering

  73
• NAT

  77
• Rules

  80
• Access Control and Content Filtering

  81
• Intrusion Detection

  89
• Basic Intrusion Detection and Blocking

  91
• Advanced Intrusion Detection

  93
• Web Cache

  98
• Web Cache Setup

  99
• Network Shares

  100
• Peers

  103
• Set up LAN PCs to Use the Web Cache

  103
• Virtual Private Networking

  104
• PPTP Client Setup

  105
• PPTP Server Setup

  107
• IPSec Setup

  118
• Set up the Branch Office

  118
• Configuring the Headquarters

  132
• Tunnel List

  136
• NAT Traversal Support

  140
• Dynamic DNS Support

  140
• Certificate Management

  141
• Troubleshooting

  147
• GRE

  151
• L2TP

  157
• Date and Time

  159
• Users

  161
• Diagnostics

  163
• Advanced

  165
• Technical Support

  168
• Appendix A – IP Address Ranges

  169
• Appendix B – Terminology

  170
• Appendix C – System Log

  177
• Access Logging

  177
• Creating Custom Log Rules

  179
• Rate Limiting

  182
• Administrative Access Logging

  183
• Boot Log Messages

  183
• Appendix D – Firmware Upgrade Practices and Precautions

  184