[Openswan Users] Protocols being stripped

[Ken Bantoft]

On 21-Feb-05, at 12:22 PM, Eaton, Andy wrote:

> Hello all,
>
> I have finally gotten OpenSWAN 2.3.0 up and connected to a Cisco 3030.
> If I can figure out this last part, I will be extremely happy.  When I
> am finished, I will gladly put together an extensive how to about how 
> to
> do this. There is quite a bit that has to happen cisco side that is
> undocumented as well. As soon as Cisco knows what you are doing, "That
> is unsupported sorry we can't help."
>
> Anyway, I am not sure who to contact about putting a link on OpenSWAN's
> site when I am finished.  On to the problem.

Me, and updated docs would be appreciated.

>
> The problem that I am seeing is that the tcp port is being stripped out
> of packets by the time it gets back to the tunneled machine.
>

Snip tcpdump stuff


> Now the returned port is port 1 at vlan4.
>
> It almost seems like a vlan issue.

Never seen anything like this... are you on kernel 2.4 or 2.6?  Nothing 
weird like netfilter modules or whatnot loaded?

Ken