Re: [PATCH] fix small DoS on connect() (was Re: BUG: Unusual TCP Connect() results.)
From: Willy Tarreau (willy_at_w.ods.org)
Date: 06/13/05
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Date: Mon, 13 Jun 2005 10:10:26 +0200 To: Herbert Xu <herbert@gondor.apana.org.au>
On Mon, Jun 13, 2005 at 05:45:21PM +1000, Herbert Xu wrote:
> On Mon, Jun 13, 2005 at 08:17:48AM +0200, Willy Tarreau wrote:
> >
> > What's the problem with the sysctl ? If you prefer, I can change the patch
> > to keep the feature enabled by default so that only people aware of the
> > problem have to fix it by hand. But I found it better the other way : people
> > who need the feature enable it by hand.
>
> Well that's exactly my problem :)
>
> I reckon it should be off by default because the threat posed by
> this problem is IMHO small compared to some of the other standard
> threats that are applicable to TCP. Plus this is a well-documented
> feature so we can't be sure that someone somewhere isn't depending
> on it.
>
> However, if it were off by default then there is very little value
> in providing it at all since the same thing can be achived easily
> through netfilter.
I understand your point of view.
> Anyway, let's leave it to Dave to make the decision.
At least, he has enough elements in his mailbox now :-)
Cheers,
Willy
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- Previous message: Sven-Thorsten Dietrich: "Re: [PATCH] local_irq_disable removal"
- In reply to: Herbert Xu: "Re: [PATCH] fix small DoS on connect() (was Re: BUG: Unusual TCP Connect() results.)"
- Next in thread: David S. Miller: "Re: [PATCH] fix small DoS on connect()"
- Reply: David S. Miller: "Re: [PATCH] fix small DoS on connect()"
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