[Openswan Users] Questions from a beginner ;)

Toby Corkindale openswan at wintrmute.net
Fri Aug 20 16:03:38 CEST 2004


On Fri, Aug 20, 2004 at 03:52:01PM +0200, Paul Wouters wrote:
> On Fri, 20 Aug 2004, Toby Corkindale wrote:
> 
> > Note that you can still categorise the traffic from a firewall point of view
> > on 2.6, but that you can't use tcpdump to view both.
> > ie. on 2.4 you can do
> > tcpdump -i ppp0	# views encrypted traffic
> > and
> > tcpdump -i ipsec0 # views unencrypted traffic
> 
> right.
>  
> > but on 2.6, you can only do
> > tcpdump -i ppp0	# views encrypted traffic
> 
> And incoming decrypted traffic, but not outgoing before-crypting traffic.
> So this makes firewalling very difficult.

Debugging harder, yes, but the actual firewalling is OK, I believe?

tjc

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