From: Jan Engelhardt <jengelh@inai.de>
To: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: Jim Mellander <jmellander@lbl.gov>, netfilter@vger.kernel.org
Subject: Re: Netfilter applied to specific interfaces only
Date: Mon, 11 Mar 2013 08:55:19 +0100 (CET) [thread overview]
Message-ID: <alpine.LNX.2.01.1303110846470.30173@nerf07.vanv.qr> (raw)
In-Reply-To: <20130309221044.GA3419@localhost>
On Saturday 2013-03-09 23:10, Pablo Neira Ayuso wrote:
>On Fri, Mar 08, 2013 at 08:52:37PM +0100, Jan Engelhardt wrote:
>>On Friday 2013-03-08 20:14, Jim Mellander wrote:
>>>
>>>just having the iptables kernel module loaded without any ruleset
>>>substantially reduces performance at high traffic rates.
>>
>>This one is a known issue with ip_tables/x_tables, and solved in
>>xtables2 where you can deallocate the base chains when empty -- (more
>>accurately, they do not exist by default and need to be created first)
>>-- given finer control over what is being executed.
>
>Just for the record: this idea was initially introduced by nftables
>back in 2009.
This is now recorded in the xt2 userdoc, where a section has been added
indicating capability origin by date and thereby implementation.
next prev parent reply other threads:[~2013-03-11 7:55 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-08 19:14 Netfilter applied to specific interfaces only Jim Mellander
2013-03-08 19:52 ` Jan Engelhardt
2013-03-09 22:10 ` Pablo Neira Ayuso
2013-03-11 7:55 ` Jan Engelhardt [this message]
2013-03-10 14:34 ` Humberto Jucá
-- strict thread matches above, loose matches on Subject: below --
2013-03-11 2:46 Neal Murphy
2013-03-11 11:42 ` Humberto Jucá
2013-03-15 17:36 ` Jim Mellander
2013-03-15 19:25 ` Jozsef Kadlecsik
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=alpine.LNX.2.01.1303110846470.30173@nerf07.vanv.qr \
--to=jengelh@inai.de \
--cc=jmellander@lbl.gov \
--cc=netfilter@vger.kernel.org \
--cc=pablo@netfilter.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox