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RE: [FW1] what occurs first NAT or RULEBASE



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> -----Original Message-----
> From: [email protected] [mailto:[email protected]]
> Sent: Tuesday, June 26, 2001 5:29 PM
>
> [...] 
> 1.	HIDE
> 	Client initialize comm. --> Inspected by Firewall (both 
> Inbound and
> Outbound) --> Packet get's translated (Source Hidden) --> 
> Leaves Gateway .
> (NAT LAST THING THAT HAPPENS)
> 
> 2.	Static Destination
> 	Client initialize comm. --> Inspected by Firewall (both 
> Inbound and
> Outbound) --> Packet get's translated (Destination address is 
> translated)
> --> Leaves Gateway . (NAT LAST THING THAT HAPPENS)
> 
> 3.	Static Source
> 	Client initialize comm. --> Inspected by Firewall (both 
> Inbound and
> Outbound) --> Packet get's translated (Source Address is 
> translated) -->
> Leaves Gateway . (NAT LAST THING THAT HAPPENS)


Just to emphasize: In case 1 and case 3, 'client' means a computer
within the protected network, behind the firewall.
In case 2, 'client' means a computer in the unprotected network, in
front of the firewall (such as a visitor hitting a web site [that is
behind the firewall]).

Regards,
Frank

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