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Configuring Source And Destination NAT With Firewall Builder

Dec 31, 2010, 23:04 (0 Talkback[s])


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"Firewall Builder is a firewall configuration and management GUI that supports configuring a wide range of firewalls from a single application. Supported firewalls include Linux iptables, BSD pf, Cisco ASA/PIX, Cisco router access lists and many more. The complete list of supported platforms along with downloadable binary packages and soure code can be found at

"In this tutorial we are going to cover how to use Firewall Builder to configure a NAT rule that translates both the source and destination IP addresses of the original packet. This type of NAT configuration can be useful in a variety of network configurations.

"There are situations where both the source and destination IP addresses of a packet need to be NAT'ed. The diagram below shows just such a scenario where an internal server needs to be accessed remotely from the outside using the Remote Desktop Protocol (RDP)."

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