can't we apply IPSec to a device that NAT is implemented ?

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i have read somewhere you know using NAT , private addresses matched to public address...

and assume if you are home and require to go to internet and NAT is implemented on your modem...
with this, your private address doesn't appear to outside.

Then IPSec is used for encrypting data . If you use NAT ,you can not apply IPsec why not?

 

hm , can't ipsec use local address of the gateway as an end point? is it a must to use
private address of the source (real source)?

 

How you gonna route a private IP address across the internet, Kobem?

 

for NAT
hm allright ! packet seems to be originated from public side of modem ?

for IPsec ?

 

impossible thing that is. so public ip addresses are used for it