Table of Contents
P-660HW-Tx v3 Series User’s Guide
15
9.3.1 Configuring the Port Forwarding Screen
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175
9.3.2 The Port Forwarding Rule Edit Screen
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177
9.4 The Address Mapping Screen
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178
9.4.1 The Address Mapping Rule Edit Screen
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179
9.5 The SIP ALG Screen
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181
9.6 NAT Technical Reference
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181
9.6.1 NAT Definitions
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181
9.6.2 What NAT Does
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182
9.6.3 How NAT Works
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183
9.6.4 NAT Application
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184
9.6.5 NAT Mapping Types
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184
Part IV: Security
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187
Chapter
10
Firewalls
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189
10.1 Overview
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189
10.1.1 What You Can Do in the Firewall Screens
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189
10.1.2 What You Need to Know About Firewall
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190
10.1.3 Firewall Rule Setup Example
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191
10.2 The Firewall General Screen
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194
10.3 The Firewall Rule Screen
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196
10.3.1 Configuring Firewall Rules
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198
10.3.2 Customized Services
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200
10.3.3 Configuring a Customized Service
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201
10.4 The Firewall Threshold Screen
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202
10.4.1 Threshold Values
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202
10.4.2 Configuring Firewall Thresholds
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203
10.5 Firewall Technical Reference
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205
10.5.1 Firewall Rules Overview
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205
10.5.2 Guidelines For Enhancing Security With Your Firewall
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206
10.5.3 Security Considerations
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207
10.5.4 Triangle Route
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207
Chapter
11
Content Filtering
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211
11.1 Overview
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211
11.1.1 What You Can Do in the Content Filter Screens
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211
11.1.2 What You Need to Know About Content Filtering
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211
11.1.3 Before You Begin
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211
11.1.4 Content Filtering Example
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212