From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Feng Gao <gfree.wind@outlook.com>
Cc: netfilter-devel@vger.kernel.org
Subject: Re: [PATCH 1/1] netfilter: ftp: Check data size before copy them into FTP buffer
Date: Sun, 4 Oct 2015 22:16:20 +0200 [thread overview]
Message-ID: <20151004201620.GA30723@salvia> (raw)
In-Reply-To: <BAY403-EAS3244BB5B8769FABE83B01EF954E0@phx.gbl>
On Tue, Sep 29, 2015 at 04:49:32PM +0800, Feng Gao wrote:
> When TCP endpoint supports the windows scale option, the data size could
> be more than 65536 easily. And there are some network interface features
> which could aggregate multiple packets. So we need to check the datalen
> before copy data into the FTP buffer.
I don't think you can go over the maximum IPv4/IPv6 packet length with
aggregation.
next prev parent reply other threads:[~2015-10-04 20:09 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-29 8:49 [PATCH 1/1] netfilter: ftp: Check data size before copy them into FTP buffer Feng Gao
2015-10-04 20:16 ` Pablo Neira Ayuso [this message]
2015-10-04 21:38 ` Jan Engelhardt
2015-10-05 9:07 ` Pablo Neira Ayuso
2015-10-08 13:32 ` Feng Gao
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