linux-kernel - Re: [ANNOUNCE] Kernel Blocking Firewall

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20090109064658.GG5038@1wt.eu>
Date:	Fri, 9 Jan 2009 07:46:59 +0100
From:	Willy Tarreau <w@....eu>
To:	jmerkey@...fmountaingroup.com
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [ANNOUNCE] Kernel Blocking Firewall

On Thu, Jan 08, 2009 at 07:23:43PM -0700, jmerkey@...fmountaingroup.com wrote:
> iptables is just too cumbersome and memory comsumptive to work well and
> has a shitty app inteface so I wrote one with a kernel level database and
> combined it with postfix.    This firewall actually drops packets on the
> floor by port, or in their entirety by IP address to deal with these
> jerks.
> 
> The code is a kernel module that will build an RBL database to disk and it
> will cache up to 500,000 IP addresses efficiently on a 1GB home personal
> computer.  The more memory you have, the more IP addresses you can cache. 
> It is configurable and possible to hold millions of them if you have 4GB
> of memory in the server.

why didn't you use ipset for that ? It's designed exactly for this usage
and is a lot easier to use than plain iptables for dynamic filtering.

Willy

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/