On Sat, May 12, 2007 at 05:10:12AM -0700, UNIX admin wrote:
> 
> Snooping traffic, I see the laptop sending ESP packets to the FW, but I get
> nothing back.  I'm going to need more information. Much more.

As will we.  Tell me, if you're using IKE how are you seeing ESP packets?
*Something* must be working - either that, or you're manually-keying w/o
telling us.  (And manually keying with NAT-Traversal is damned annoying to
get right.)

> Which files was I supposed to modify? I modified /etc/hostname.ip.tun0 with
> the above parameters (encr_algs aes encr_auth_algs sha1), like so:

> /etc/hostname.ip.tun0:
> ###.BBB.2.1/16 ###.BBB.2.2 tsrc ###.AAA.2.1 tdst ###.AAA.2.2 encr_algs aes 
> encr_auth_algs sha1 up
> 
> Where "AAA" = n, and "BBB" = n + 1.

Do you have tsrc set to your local ethernet/etc. interface's address and tdst
set to the peer's IP address?  That's not clear from what you're showing us.

> Looks like I also need to modify /etc/inet/ike/config? What did I miss?
> What needs to be in there to support the above combination?

Like I said, if you're seeing "ESP", then I'm curious if you're using IKE at
all or not.

tsrc/tdst should be set like I said.  If there's a NAT in the way, the
non-NAT-ted side should have tdst set to the peer's *public* IP address, and
the NAT-ted side should have tsrc set to the LOCAL IP address.

Dan

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