- From: <Ivan.Arias-Rodriguez AT nokia.com>
- To: <john.loughney AT nokia.com>, <ajung AT exp-math.uni-essen.de>, <randall AT stewart.chicago.il.us>
- Cc: <discussion AT sctp.de>, <thomas.hollaus AT siemens.at>, <tsvwg AT ietf.org>
- Subject: [SCTP-Discussion] RE: [Tsvwg] Possible DoS in SCTP ? (was: reception of invalid parameters)
- Date: Thu Feb 14 18:32:59 2002
- List-id: SCTP Discussions <discussion.sctp.de>
Hi,
Moreover, if the attacker can make IP spoofing, why using another
host as a "reflection"? It could directly send those ABORTs directly to the
attacked host...
BR Iván Arias Rodríguez
>
-----Original Message-----
>
From: Loughney John (NRC/Helsinki)
>
Sent: 14. February 2002 16:05
>
To:
>
ajung AT exp-math.uni-essen.de;
>
>
randall AT stewart.chicago.il.us
>
Cc:
>
discussion AT sctp.de;
>
>
thomas.hollaus AT siemens.at;
>
>
tsvwg AT ietf.org
>
Subject: RE: [Tsvwg] Possible DoS in SCTP ? (was: reception of invalid
>
parameters)
>
>
>
Hi Andreas,
>
>
> Now, if E can use V, it could send such packets to a large number
>
> of servers. And then V gets bombed with Aborts.
>
>
>
> I agree fully, that an established association is safe, but that
>
> was not the issue I was thinking about. Comments ?
>
>
If V does not have established SCTP associations, it will just ignore
>
the aborts. If it does have established associations, it will need
>
to at least check to see if it is concerned about the Aborts. This
>
will steal some cycles, but is this a really big threat?
>
>
John
>
>
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