Web lists-archives.com

Re: Why does Debian allow all incoming traffic by default




	Hi.

On Sat, Sep 22, 2018 at 12:58:02PM +0200, Pascal Hambourg wrote:
> Le 22/09/2018 à 11:51, Reco a écrit :
> > 
> > On Sat, Sep 22, 2018 at 09:46:35AM +0200, Pascal Hambourg wrote:
> > > Le 21/09/2018 à 20:32, Reco a écrit :
> > > > 
> > > > Evil person makes a TCP connection to unprotected host, but forges
> > > > source IP. Host sends TCP RST to this forged IP, host acting as a
> > > > 'reflector' to an attack. And being a bad netizen at the same time.
> > > > 
> > > > Evil person takes as many of such hosts as possible - and there goes
> > > > your old-fashioned RST DDOS.
> > > 
> > > What is the attacker's benefit over just sending packets directly to the
> > > target with forged source addresses ?
> > 
> > The benefit is that one cannot pinpoint the real attacker, of course.
> 
> Isn't the same benefit provided by just forging the source address ?

Unsure. I only have theoretical knowledge of such attacks, never
performed one myself.
Defending against the thing - that's something I'm more versed with.

Reco