From: Patrick McHardy <kaber@trash.net>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: netdev@vger.kernel.org, netfilter-devel@lists.netfilter.org,
davem@davemloft.net
Subject: Re: [PATCH 06/13]: [IPV4/6]: Netfilter IPsec input hooks
Date: Sun, 04 Dec 2005 23:49:02 +0100 [thread overview]
Message-ID: <4393725E.7070604@trash.net> (raw)
In-Reply-To: <20051204221002.GA17056@gondor.apana.org.au>
Herbert Xu wrote:
> On Sun, Dec 04, 2005 at 11:06:02PM +0100, Patrick McHardy wrote:
>
> If there is a DNAT in the way, this will jump to the very start of
> the stack. So if we have a hostile IPsec peer, and the DNAT rules
> are such that this can occur, then we could be in trouble (especially
> because policy/selector verification does not occur until all IPsec
> has been done so we can't check inner address validitiy at this point).
We could return NET_XMIT_BYPASS from ip_xfrm_transport_hook(), although
it looks a bit ugly to use NET_XMIT* on the input path.
next prev parent reply other threads:[~2005-12-04 22:49 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-20 16:31 [PATCH 00/13]: Netfilter IPsec support Patrick McHardy
2005-11-20 16:31 ` [PATCH 01/13]: [NETFILTER]: Remove okfn usage in ip_vs_core.c Patrick McHardy
2005-11-20 16:31 ` [PATCH 02/13]: [NETFILTER]: Call POST_ROUTING hook before fragmentation Patrick McHardy
2005-11-20 16:31 ` [PATCH 03/13]: [IPV4]: Replace dst_output by ip_dst_output Patrick McHardy
2005-11-20 16:31 ` [PATCH 04/13]: [IPV6]: Replace dst_output by ip6_dst_output Patrick McHardy
2005-11-20 16:31 ` [PATCH 05/13]: [IPV4/6]: Netfilter IPsec output hooks Patrick McHardy
2005-11-22 4:40 ` Herbert Xu
2005-11-22 4:53 ` Patrick McHardy
2005-11-22 5:13 ` Patrick McHardy
2005-11-22 10:30 ` Herbert Xu
2005-11-22 10:31 ` Herbert Xu
2005-11-22 12:13 ` Herbert Xu
2005-11-28 1:07 ` Patrick McHardy
2005-11-28 4:56 ` Herbert Xu
2005-11-28 12:25 ` Patrick McHardy
2005-12-04 22:09 ` Patrick McHardy
2005-12-04 22:15 ` Herbert Xu
2005-11-20 16:31 ` [PATCH 06/13]: [IPV4/6]: Netfilter IPsec input hooks Patrick McHardy
2005-11-21 4:42 ` Yasuyuki KOZAKAI
[not found] ` <200511210442.jAL4gPoO001846@toshiba.co.jp>
2005-11-21 6:52 ` Patrick McHardy
2005-11-21 7:00 ` David S. Miller
2005-11-21 7:47 ` Herbert Xu
2005-11-21 16:52 ` Patrick McHardy
2005-11-21 10:53 ` Yasuyuki KOZAKAI
[not found] ` <200511211053.jALAro04019574@toshiba.co.jp>
2005-11-21 16:34 ` Patrick McHardy
[not found] ` <438185ED.3050005@miyazawa.org>
2005-11-21 8:50 ` YOSHIFUJI Hideaki / 吉藤英明
2005-11-21 16:29 ` Patrick McHardy
2005-12-01 1:27 ` Herbert Xu
2005-12-04 22:06 ` Patrick McHardy
2005-12-04 22:10 ` Herbert Xu
2005-12-04 22:49 ` Patrick McHardy [this message]
2005-11-20 16:31 ` [PATCH 07/13]: [NETFILTER]: Fix xfrm lookup in ip_route_me_harder/ip6_route_me_harder Patrick McHardy
2005-11-28 21:06 ` Herbert Xu
2005-11-29 7:02 ` Patrick McHardy
2005-11-29 7:34 ` Herbert Xu
2005-11-29 7:49 ` David S. Miller
2005-11-29 11:31 ` Herbert Xu
2005-11-20 16:31 ` [PATCH 08/13]: [NETFILTER]: Use conntrack information to determine if packet was NATed Patrick McHardy
2005-11-20 16:31 ` [PATCH 09/13]: [NETFILTER]: Redo policy lookups after NAT when neccessary Patrick McHardy
2005-11-20 16:43 ` Patrick McHardy
2005-11-20 16:31 ` [PATCH 10/13]: [NETFILTER]: Keep the conntrack reference until after policy checks Patrick McHardy
2005-11-20 16:31 ` [PATCH 11/13]: [NETFILTER]: Handle NAT in IPsec " Patrick McHardy
2005-11-20 16:31 ` [PATCH 12/13]: [NETFILTER]: Export ip6_masked_addrcmp, don't pass IPv6 addresses on stack Patrick McHardy
2005-11-20 16:31 ` [PATCH 13/13]: [NETFILTER]: Add ipt_policy/ip6t_policy matches Patrick McHardy
[not found] ` <200511201902.10179.lists@naasa.net>
2005-11-20 18:07 ` [PATCH 00/13]: Netfilter IPsec support Patrick McHardy
2005-11-22 22:34 ` David S. Miller
2005-11-22 22:38 ` YOSHIFUJI Hideaki / 吉藤英明
2005-11-23 1:20 ` Patrick McHardy
2005-11-23 1:17 ` Patrick McHardy
2005-11-23 1:35 ` Herbert Xu
2005-11-23 3:36 ` David S. Miller
2005-11-23 4:47 ` Herbert Xu
2005-11-23 4:52 ` Yasuyuki KOZAKAI
2005-11-23 3:35 ` David S. Miller
[not found] <4381F4C7.9070903@trash.net>
[not found] ` <43826F77.7040502@miyazawa.org>
[not found] ` <438270F2.3000603@trash.net>
2005-11-23 10:38 ` [PATCH 06/13]: [IPV4/6]: Netfilter IPsec input hooks YOSHIFUJI Hideaki / 吉藤英明
2005-12-18 14:27 ` Patrick McHardy
2005-12-18 15:15 ` YOSHIFUJI Hideaki / 吉藤英明
2005-12-18 22:59 ` Patrick McHardy
2005-12-19 3:46 ` YOSHIFUJI Hideaki / 吉藤英明
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