nat on fw query

Answered Question
Mar 12th, 2008
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SCENARIO;

PC--(in)FW(out)--(RTR)--internet--internet user


STATIC NAT:

PC_Ip----(NAT)----FW_IP(out)

PC_Ip - ip address of the PC

FW_IP(out) - any ip address within the subnet of the out interface of the FW(out)


QUESTION;

if a traffic is initiated from the internet user and directed to the FW_IP(out), what will be the source IP address as seen by the PC?



Correct Answer by Jon Marshall about 9 years 4 months ago

Hi


The source IP address will be the original IP address of the PC on the Internet. You can NAT this to something else as it hits your firewall but in the example you give your are only NATting the destination address as packets arrive from the Internet user.


HTH


Jon

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Correct Answer
Jon Marshall Wed, 03/12/2008 - 07:18
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Hi


The source IP address will be the original IP address of the PC on the Internet. You can NAT this to something else as it hits your firewall but in the example you give your are only NATting the destination address as packets arrive from the Internet user.


HTH


Jon

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