Re: socket connected to itself with RH 2.2.14-5.0? (Problem with example from Stevens)

From: Dan Kegel (dank@kegel.com)
Date: Wed Aug 22 2001 - 22:03:49 EST


Ralf Baechle wrote:
>
> On Tue, Aug 21, 2001 at 01:43:30PM -0700, Dan Kegel wrote:
> > tcp 0 0 127.0.0.1:2003 127.0.0.1:2003 ESTABLISHED 965/client
> >
> > Erm, could the client have connected to *itself* somehow?
>
> I would not consider that a bug even though certainly not very helpful.
> Now I wonder if this could potencially be abused for nice DoS attacks ...

After running the server on a port not in the ephemeral range,
the problem goes away. It's just a funny thing that can happen
when you're connecting to a server on your own box, so no big deal.
- Dan

-- 
"I have seen the future, and it licks itself clean." -- Bucky Katt
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