Date: Fri, 28 Sep 2007 20:03:11 +0400 (MSD) From: Maxim Konovalov <maxim@macomnet.ru> To: Igor Sysoev <is@rambler-co.ru> Cc: freebsd-net@freebsd.org Subject: Re: syncookie in 6.x and 7.x Message-ID: <20070928200241.F77827@mp2.macomnet.net> In-Reply-To: <20070816142431.GO57126@rambler-co.ru> References: <20070816142431.GO57126@rambler-co.ru>
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On Thu, 16 Aug 2007, 18:24+0400, Igor Sysoev wrote:
> During testing 7.0-CURRENT I have found that it always sends syncookies
> while on early FreeBSD versions "netstat -s -p tcp" always shows:
>
> 0 cookies sent
> 0 cookies received
>
> I have looked sources and found that in early versions the sent counter
> was simply not incremented at all. The patch attached.
>
> After the patch has been applied I have found that 6 always sends
> syncookies too, however, 6 unlike 7 never receives them. Why ?
>
Mine does:
$ netstat -sp tcp | grep cook
51588 cookies sent
25 cookies received
$ uname -r
6.2-STABLE
--
Maxim Konovalov
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