Hi,
Could not conceive an working set-up for an IPSEC VPN made with
racoon/setkey
on which I have one address on my side acting as an SNAT router for all
traffic from my network to a network segment on the far side.
my network --- my gateway ---------------------- remote network
10.0.0.0/24 - 10.0.0.1 (10.253.0.2) -- tunnel - 192.168.0.0/22
All traffic starts on my side, so if I can SNAT/MASQUERADE packets to
the
tunnel address (10.253.0.2) it shall work. This would have been possible with
FreeSwan, as it created network interfaces (ipsec0, ipsec1..), however with
setkey there is no way of making it.
The VPN starts on the gateway, simply all traffic destinate to
192.168.0.0/22
should get an SNAT to 10.253.0.2 and go via the tunnel. SNAT however is
available only in POSTROUTING chain, and no outgoing interface really exists
with setkey.
So, next rule should be implemented on the gateway: "Packets going to
192.168.0.0/22 should be SNAT to 10.253.0.2 and go via the tunnel"
Some ideas?
Thanks, George.
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