* Matthew Toseland <toad at amphibian.dyndns.org> [2006-04-26 20:40:16]:

> On Thu, Apr 27, 2006 at 04:43:19AM +0200, Florent Daigni?re (NextGen$) wrote:
> > * Matthew Toseland <toad at amphibian.dyndns.org> [2006-04-26 19:01:30]:
> > 
> > > On Wed, Apr 26, 2006 at 02:31:00PM +0000, NextGen$ wrote:
> > > > * Matthew Toseland <toad at amphibian.dyndns.org> [2006-04-26 13:26:33]:
> > > > 
> > > > > On Wed, Apr 26, 2006 at 11:19:23AM +0000, NextGen$ wrote:
> > > > > > 
> > > > > > imho Up&p and stun are useless without multi-homming support.
> > > > > 
> > > > > Huh? What exactly do you think is necessary prior to STUN/UP&P?
> > > > 
> > > > Having references with multiple contact points (an "official" signed
> > > > reference with possibly several addresses and an unofficial one with ip
> > > > gathered from up&p, other peers, last known, ...)... And maybe the
> > > > possibility within the node to have different listeners bound to 
> > > > different
> > > > sockets.
> > > 
> > > We already have the possibility of multiple IPs in the ref, and a
> > > separate last-detected IP. The IP detected from other peers is just used
> > > in the overall detection algorithm though; we will only publish one IP
> > > address at present, and we will only use one at a time to talk to a
> > > given node. I'm not sure exactly what you are suggesting we need.
> > 
> > Imho we need to publish every known and valid ip addresses, even local
> > ones ; otherwise nodes on the same lan won't be able to connect (to both
> > outside and internal peers).
> 
> Isn't that a security risk? Well, not to darknet peers I suppose?
> 

I don't see it as a security risk. Sending one handshake packet once a
while isn't a security problem imho.

> Anyway we don't want to try such addresses unless we have a good reason
> to believe they will work e.g. if we have the same external IP detected
> through STUN ?

... whereas sending packets to an external well known 3rd party peer is ;)

Even if we bundle an ip-list of stun servers... a dns name... It will be
a convenient way to harvest.

> 
> True multi-homing as you suggest would be fairly easy though, it's not a
> big deal.

I'm not saying it's hard to do :) Just that it's pointless to do  the
rest without the basis ;)

NextGen$

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