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SubjectRe: [PATCH] fix small DoS on connect() (was Re: BUG: Unusual TCP Connect() results.)
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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