All of lore.kernel.org
 help / color / mirror / Atom feed
From: Julien Vehent <julien@linuxwall.info>
To: netfilter@vger.kernel.org
Subject: Re: Double stack IPv4&&IPv6 for a firewall
Date: Sat, 25 Aug 2012 23:38:10 -0400	[thread overview]
Message-ID: <306406300a671d4e33566184738d9563@linuxwall.info> (raw)
In-Reply-To: <alpine.LNX.2.01.1208250137290.30075@frira.zrqbmnf.qr>

On 2012-08-24 19:46, Jan Engelhardt wrote:
> On Friday 2012-08-24 23:12, Arturo Borrero wrote:

>>You usally set your ruleset in this way:
>>
>>$IPT -A INPUT -i $IF -s $INTERNET -d $MYSERVER -p tcp --sport 1024: 
>> --dport
>>$SSH_PORT -j ACCEPT
>
> If you begin with something like this, no wonder it's all going slow,
> because you are needlessy reloading all the damn rules.
> That's why smart people use iptables-restore.
>

Oh, only about ~2000 times faster in my tests :p
http://www.slideshare.net/slideshow/embed_code/14051936?startSlide=22


-- 
Julien Vehent - http://jve.linuxwal.info

  reply	other threads:[~2012-08-26  3:38 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-24 10:40 Double stack IPv4&&IPv6 for a firewall Arturo Borrero
2012-08-24 14:29 ` John A. Sullivan III
2012-08-24 14:41   ` Jan Engelhardt
     [not found]     ` <CAPfcJatemcsT5PK+m8__xhB7gBRinAuq2wNX_g93CQrSmvtDhQ@mail.gmail.com>
2012-08-24 23:46       ` Jan Engelhardt
2012-08-26  3:38         ` Julien Vehent [this message]
     [not found]         ` <CAPfcJaugwb5DboUYGAfEktHCDZX0KxdCWdS9CyAu3rh94P8inQ@mail.gmail.com>
2012-08-28  8:55           ` Arturo Borrero
2012-08-28 11:43             ` Julien Vehent
2012-08-28 11:45             ` Amos Jeffries
2012-08-28 12:08               ` Arturo Borrero
2012-08-28 12:21                 ` Amos Jeffries

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=306406300a671d4e33566184738d9563@linuxwall.info \
    --to=julien@linuxwall.info \
    --cc=netfilter@vger.kernel.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.