VPN (IPSEC)

[alexus]

i dont really use encryption (IPSEC), i just create a regular tunnel
using GIF interface, and it's already not working at this part...
it works fine in different enviroment, where both ends has public and private IP


On Mon, Jun 2, 2008 at 12:27 PM, Bob McConnell <rvm at cbord.com> wrote:
> On Behalf Of alexus
>>
>>anyone?
>>
>>
>>On Sat, May 31, 2008 at 7:49 PM, alexus <alexus at gmail.com> wrote:
>>> Hello,
>>>
>>> I'm trying to establish a VPN tunnel over internet, I read a
>>> http://www.freebsd.org/doc/en/books/handbook/ipsec.html on how to set
>>> it up, I'm some what strangeling if my setup will work at all.
>>>
>
> IIRC, IPSEC cannot work through a NAT connection. NAT changes header
> fields that IPSEC uses for packet authentication. So the receiver cannot
> validate the content of the modified header.
>
> Bob McConnell
>



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