NetFilter
[Top] [All Lists]

Re: Specifying more than one IP address per rule

To: Mike Wright <xktnniuymlla@mailinator.com>
Subject: Re: Specifying more than one IP address per rule
From: Dan Purcell <dpurcell@nitrosecurity.com>
Date: Mon, 19 Mar 2007 16:55:48 -0600
Cc: netfilter@lists.netfilter.org
Delivered-to: sp-com-lists@consult.net
Delivered-to: netfilter-list1@securepoint.com
In-reply-to: <45FF143C.9060307@mailinator.com>
List-archive: </pipermail/netfilter>
List-help: <mailto:netfilter-request@lists.netfilter.org?subject=help>
List-id: General discussion and user questions <netfilter.lists.netfilter.org>
List-post: <mailto:netfilter@lists.netfilter.org>
List-subscribe: <https://lists.netfilter.org/mailman/listinfo/netfilter>, <mailto:netfilter-request@lists.netfilter.org?subject=subscribe>
List-unsubscribe: <https://lists.netfilter.org/mailman/listinfo/netfilter>, <mailto:netfilter-request@lists.netfilter.org?subject=unsubscribe>
References: <45FF093F.10301@nitrosecurity.com> <45FF143C.9060307@mailinator.com>
Sender: netfilter-bounces@lists.netfilter.org
User-agent: Thunderbird 1.5.0.9 (X11/20070115)
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Do you have to use a userspace tool to set the sets of ip addresses?
What is it called?  Where can I get it?

- -Dan

Mike Wright wrote:
> Dan Purcell wrote:
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA1
>>
>> Is there a way (such as an iptables match) that allows one to specify
>> more than one IP address for one rule?  I have in mind something like
>> the multiport patch -- allowing the user to specify multiple tcp / udp
>> ports per rule.  For example, I have the following ruleset that I would
>> like to convert into one rule:
>>
>> iptables -N BADGUYS
>> iptables -A BADGUYS -s 192.168.10.1    -j RETURN # 192.168.10.1 not bad
>> iptables -A BADGUYS -s 192.168.10.0/24 -j DROP
>> iptables -A BADGUYS -s 192.168.11.2    -j DROP
>> iptables -A BADGUYS -s 192.168.11.3    -j DROP
>> iptables -A BADGUYS -s 192.168.11.6    -j DROP
>>
>> I would like something like
>>
>> iptables -A BADGUYS -m multiip --srclist
>> [!192.168.10.1,192.168.10.0/24,192.168.11.2,192.168.11.3,192.168.11.6]
>> - -j DROP
> 
> I've had very good success using the ipset patch to iptables.  It allows
> you to use a single iptables rule to refer a named set of ips or nets,
> etc.  The set can then be updated on the fly without having to mess with
> your iptables rules.
> 
> hth, :m)

- --

- --------------------------------------------------------------
Dan Purcell, Software Engineer     dpurcell@nitrosecurity.com
NitroSecurity, Inc.                            (208) 552-5332
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.6 (GNU/Linux)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org

iD8DBQFF/xT0Tqu8TzII/vURAswuAKCtvI69OGwoJ/R6T7yzfENzfFNYFACg3/aM
m+kLwX1TifdIKbKnTeMD7aw=
=As7F
-----END PGP SIGNATURE-----



<Prev in Thread] Current Thread [Next in Thread>