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Configuring Source And Destination NAT With Firewall Builder

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

[ Thanks to Falko Timme for this link. ]

"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 http://www.fwbuilder.org.

"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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