From mboxrd@z Thu Jan 1 00:00:00 1970 From: Patrick McHardy Subject: Re: [PATCH RFC 0/5] netfilter: implement netfilter SYN proxy Date: Wed, 7 Aug 2013 23:24:10 +0200 Message-ID: <20130807212410.GA22932@macbook.localnet> References: <1375897371-18430-1-git-send-email-kaber@trash.net> <1375898766.4004.37.camel@edumazet-glaptop> <20130807205959.GC21463@macbook.localnet> <20130807210540.GE32257@order.stressinduktion.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii To: Eric Dumazet , pablo@netfilter.org, netfilter-devel@vger.kernel.org, netdev@vger.kernel.org, mph@one.com, jesper.brouer@gmail.com, as@one.com Return-path: Content-Disposition: inline In-Reply-To: <20130807210540.GE32257@order.stressinduktion.org> Sender: netdev-owner@vger.kernel.org List-Id: netfilter-devel.vger.kernel.org On Wed, Aug 07, 2013 at 11:05:40PM +0200, Hannes Frederic Sowa wrote: > On Wed, Aug 07, 2013 at 10:59:59PM +0200, Patrick McHardy wrote: > > On Wed, Aug 07, 2013 at 11:06:06AM -0700, Eric Dumazet wrote: > > > TCP timestamps are not really used, for various reasons ... > > > > > > Have you taken a look at > > > > > > > > > > No, not yet, will have a look. Not sure what you mean by "TCP timestamps > > are not really used" though. I might be biased by usually only looking at > > Linux traffic, but I was under that impression that everyone is using > > TCP timestamps nowadays? > > We had a thread here on netdev: > > > It seems, Windows stopped using tcp timestamps at least in windows 8 by > default. I see. Well, that seems to be a general problem with SYN cookies, I guess in that case the encoding Linux uses should be changed. I'll have a closer look at the changes proposed in that thread tommorrow.