VPN: Network to Host to Internet
David McKenzie
krisp at krisp.com
Tue Aug 12 11:08:21 PDT 2003
Hello,
I have two freebsd boxes running 5.0 with IPSec enabled and racoon
installed. This is what I am trying to do:
| internal | -------> [FreeBSD gateway] ----> (internet) ----->
[FreeBSD host] -------> internet
I'd like to encapsulate all IP traffic from my internal network at my
apartment (192.168.1.0/24) through my cable modem to a FreeBSD box at
school, and then off to the internet. I don't want any traffic to go
directly to the internet -- I'd like to use IPsec to encrypt all
traffic to the host at school before reaching the internet.
At this time, I'm not concerned with using Racoon for IKE, as I haven't
had much luck getting it to work in the past. I am willing to use
static keys for the time being using the 'setkey' command, but I'm not
sure how to set everything up as the only documentation I can find is
host to host or network to network, but not network to host to internet.
Has anyone implemented IPsec in this fashion? Some pointers to
documentation I may have missed would be appreciated, as well as some
explanation on how to set up the tunnels and routes to make this
scenario a reality.
Thanks,
David
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