At 09:33 AM 22/2/07, Roger Olofsson wrote:
Having recently upgraded my firewall machines to FreeBSD 6.2 I am
experiencing the very same phenomena concerning the OOW. The issue
is particularly annoying since it breaks upgrading of the FreeBSD
ports in some cases by simply hanging the download.
Could someone describe the steps to download, apply the patches for
FreeBSD, and install a newer version than the one shipped with FreeBSD6.2?
My Q&D solution to OOW issues in 6.2+4.1.13 was to edit two lines
in ip_state.c and rebuild the kernel (with the IPFILTER options)
#define MAXACKWINDOW 66000
- (-ackskew <= (MAXACKWINDOW << tdata->td_wscale)) &&
- ( ackskew <= (MAXACKWINDOW << tdata->td_wscale))) {
+ (-ackskew <= (MAXACKWINDOW)) &&
+ ( ackskew <= (MAXACKWINDOW << fdata->td_wscale))) {
There are fragments of this in various of Darren's postings
e.g.
Date: Wed, 20 Dec 2006 23:11:57 +1100
From: Darren Reed <darrenr@reed.wattle.id.au>
Subject: Re: ipf 4.1.13 + NAT + FTP proxy = window scaling problem
References: <Pine.LNX.4.64.0612192052410.3711@netcore.fi>
<458873B8.5060302@reed.wattle.id.au> <20061219235136.GC8372@piias899.ms.com>
In-Reply-To: <20061219235136.GC8372@piias899.ms.com>
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