From: Philip Craig <philipc@snapgear.com>
To: Patrick McHardy <kaber@trash.net>
Cc: netfilter-devel@lists.netfilter.org
Subject: Re: [PATCH 1/4] TCPMSS: dont drop packets
Date: Thu, 25 May 2006 09:42:39 +1000 [thread overview]
Message-ID: <4474EF6F.8060102@snapgear.com> (raw)
In-Reply-To: <447486FA.8010206@trash.net>
On 05/25/2006 02:16 AM, Patrick McHardy wrote:
> philipc@snapgear.com wrote:
>> The test case that caused problems was syn packet containing data.
>
> That seems to be an invalid testcase.
I'm not sure if any stacks send or accept this in practice, but it is
allowed by RFC 793, see second paragraph in section 3.4. Please correct
me if this is no longer valid.
> I don't think its a good idea to change this long standing behaviour.
> The next incarnation of iptables will support user-supplied verdicts
> for non-terminal targets, but until then it seems reasonable to say
> "user said do x, can't do it, so drop".
Sounds reasonable to me.
next prev parent reply other threads:[~2006-05-24 23:42 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-24 4:04 [PATCH 0/4] netfilter patches for consideration philipc
2006-05-24 4:04 ` [PATCH 1/4] TCPMSS: dont drop packets philipc
2006-05-24 16:16 ` Patrick McHardy
2006-05-24 23:42 ` Philip Craig [this message]
2006-05-26 14:40 ` Patrick McHardy
2006-05-24 4:04 ` [PATCH 2/4] TCPMSS: clamp to input interface MTU too philipc
2006-05-24 16:18 ` Patrick McHardy
2006-05-24 4:04 ` [PATCH 3/4] log dropped ICMP redirects philipc
2006-05-24 16:26 ` Patrick McHardy
2006-05-25 2:34 ` Philip Craig
2006-05-26 14:49 ` Patrick McHardy
2006-05-24 4:04 ` [PATCH 4/4] drop ftp bounce attacks philipc
2006-05-24 16:31 ` Patrick McHardy
2006-05-25 2:55 ` Philip Craig
2006-05-26 14:51 ` Patrick McHardy
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