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User Guide
101
CHAPTER 7
Configuring Network
Address Translation
Network address translation (NAT) protects your net-
work by hiding its internal structure. It also provides
an effective way to conserve public IP addresses when
the number of addresses is limited.
At its most basic level, NAT translates the address of a
packet from one value to another. The “type” of NAT
performed refers to the method of translation:
Dynamic NAT
Also called IP masquerading or port address
translation. The Firebox either globally, or on a
service-by-service basis, applies its public IP
address to outgoing packets instead of using
the IP address of the session behind the
Firebox.
Static NAT
Also called port forwarding. Static NAT works
on a port-to-host basis. Incoming packets from
the external network destined for a specific
public address and port are remapped to an
address and port behind the firewall. You
must configure each service separately for
Summary of Contents for Firebox X10E
Page 1: ...WatchGuard Firebox System User Guide WatchGuard Firebox System ...
Page 12: ...xii WatchGuard Firebox System ...
Page 44: ...Chapter 2 Service and Support 22 WatchGuard Firebox System ...
Page 61: ...Cabling the Firebox User Guide 39 ...
Page 68: ...Chapter 3 Getting Started 46 WatchGuard Firebox System ...
Page 78: ...Chapter 4 Firebox Basics 56 WatchGuard Firebox System ...
Page 156: ...Chapter 8 Configuring Filtered Services 134 WatchGuard Firebox System ...
Page 182: ...Chapter 9 Configuring Proxied Services 160 WatchGuard Firebox System ...
Page 220: ...Chapter 11 Intrusion Detection and Prevention 198 WatchGuard Firebox System ...
Page 242: ...Chapter 12 Setting Up Logging and Notification 220 WatchGuard Firebox System ...
Page 256: ...Chapter 13 Reviewing and Working with Log Files 234 WatchGuard Firebox System ...
Page 274: ...Chapter 14 Generating Reports of Network Activity 252 WatchGuard Firebox System ...