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Re: [GNUnet-developers] port knocking?

From: Alexander Winston
Subject: Re: [GNUnet-developers] port knocking?
Date: Fri, 27 Feb 2004 12:15:46 -0500

On Fri, 2004-02-27 at 11:13 -0500, Christian Grothoff wrote:

> On Friday 27 February 2004 10:11 am, Alexander Winston wrote:
> > Would it be possible to generate a unique port knocking sequence every
> > time that GNUnet is run so that only other peers know what the sequence
> > is?
> It would be possible to change the sequence every time, but not desireable.  
> Not only may this require changing the firewall config (for the really 
> paranoid) but also all 'old' HELO advertisments would no longer work, 
> resulting in even longer times to connect.
> Besides, I fail to see the advantage of frequent changes to the sequence.  
> Only other peers knew the old sequence, so where's the advantage in changing 
> it?  (Note that it is still a per-peer sequence, but for the same peer, the 
> sequence would not change).

Ahh, I understand now. I, for some reason, assumed that the sequence
would be built-in to GNUnet and not configurable per peer. I think it's
a really great idea.

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