P-660HW-T v2 User’s Guide
14
Table of Contents
7.1.3 DNS Server Address
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112
7.1.4 DNS Server Address Assignment
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113
7.2 LAN TCP/IP
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113
7.2.1 IP Address and Subnet Mask
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113
7.2.1.1 Private IP Addresses
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114
7.2.2 RIP Setup
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114
7.2.3 Multicast
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115
7.2.4 Any IP
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115
7.2.4.1 How Any IP Works
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116
7.3 Configuring LAN IP
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117
7.3.1 Configuring Advanced LAN Setup
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117
7.4 DHCP Setup
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119
7.5 LAN Client List
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120
7.6 LAN IP Alias
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121
Chapter 8
Network Address Translation (NAT) Screens
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125
8.1 NAT Overview
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125
8.1.1 NAT Definitions
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125
8.1.2 What NAT Does
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126
8.1.3 How NAT Works
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126
8.1.4 NAT Application
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127
8.1.5 NAT Mapping Types
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127
8.2 SUA (Single User Account) Versus NAT
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128
8.3 NAT General Setup
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128
8.4 Port Forwarding
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129
8.4.1 Default Server IP Address
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130
8.4.2 Port Forwarding: Services and Port Numbers
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130
8.4.3 Configuring Servers Behind Port Forwarding (Example)
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131
8.5 Configuring Port Forwarding
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131
8.5.1 Port Forwarding Rule Edit
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132
8.6 Address Mapping
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133
8.6.1 Address Mapping Rule Edit
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135
Chapter 9
Firewalls
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137
9.1 Firewall Overview
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137
9.2 Types of Firewalls
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137
9.2.1 Packet Filtering Firewalls
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137
9.2.2 Application-level Firewalls
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138
9.2.3 Stateful Inspection Firewalls
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138
9.3 Introduction to ZyXEL’s Firewall
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138
9.3.1 Denial of Service Attacks
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139