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From: Pablo Neira <pablo@eurodev.net>
To: Yasuyuki KOZAKAI <yasuyuki.kozakai@toshiba.co.jp>
Cc: netfilter-devel@lists.netfilter.org, usagi-core@linux-ipv6.org,
	kaber@trash.net
Subject: Re: nf_conntrack tree
Date: Wed, 16 Mar 2005 10:53:08 +0100	[thread overview]
Message-ID: <42380204.5020201@eurodev.net> (raw)
In-Reply-To: <200503160648.j2G6mXVT014699@toshiba.co.jp>

Yasuyuki KOZAKAI wrote:
> 	3. The symbol "ip_conntrack_untracked" which depends on ip_conntrack.
> 	   state, conntrack, NOTRACK use this symbol. How about defining
> 	   "void *nf_ct_untracked" in net/core/netfilter.c and
> 	   set &ip_conntrack_untracked.general/&nf_conntrack_untracked.general
> 	   to it when initializing ip_conntrack/nf_conntrack ?

Something I have in mind. I think that we could use one of the bits of 
nfcache explicitely mark invalid connections. If we get an invalid 
packet, conntrack can set the NFC_INVALID bit. That way we interpret a 
NULL pointer in skb->nfct as a untracked connection and kill that fake 
conntrack.

--
Pablo

  reply	other threads:[~2005-03-16  9:53 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-05-23  6:17 [PATCH NF_CONNTRACK 1/9]: Fix multiple problems with TCP window tracking Yasuyuki KOZAKAI
2005-05-23 13:46 ` Michal Rokos
2005-03-16  0:35   ` nf_conntrack tree Patrick McHardy
2005-03-16  6:48     ` Yasuyuki KOZAKAI
2005-03-16  9:53       ` Pablo Neira [this message]
2005-03-16 10:13         ` Jozsef Kadlecsik
2005-03-16 13:14           ` Yasuyuki KOZAKAI
2005-03-16 14:36           ` Patrick McHardy
2005-03-16 14:31       ` Patrick McHardy
     [not found]     ` <200503160648.j2G6mXVV014699@toshiba.co.jp>
2005-03-16 19:22       ` Yasuyuki KOZAKAI
2005-03-16 19:32         ` Patrick McHardy
2005-03-16 19:54           ` Yasuyuki KOZAKAI
2005-03-16 20:04             ` Patrick McHardy
2005-03-17  8:31               ` Yasuyuki KOZAKAI
2005-03-20 16:42                 ` Patrick McHardy
2005-03-22 16:31                   ` Yasuyuki KOZAKAI
2005-05-24  1:53     ` [PATCH NF_CONNTRACK 1/9]: Fix multiple problems with TCP window tracking Yasuyuki KOZAKAI
2005-06-11 15:42       ` Patrick McHardy
     [not found]   ` <200505240153.j4O1r35h028029@toshiba.co.jp>
2005-05-24 11:23     ` Michal Rokos
2005-06-11 15:49       ` Patrick McHardy

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