From: "Neal P. Murphy" <neal.p.murphy@alum.wpi.edu>
To: netfilter@vger.kernel.org
Subject: Re: iptables based appliances
Date: Sun, 7 Jun 2015 15:51:20 -0400 [thread overview]
Message-ID: <20150607155120.43e0eab8@playground> (raw)
In-Reply-To: <201506071504.t57F4fuH020015@Mail.Linux-Consulting.com>
On Sun, 7 Jun 2015 08:04:40 -0700 (PDT)
alvin <alvin.sm@Mail.Linux-Consulting.com> wrote:
>
> hi netfilter ml
>
> i was curious,
>
> does anybody know which ddos appliances uses IPtables to
> mitigate incoming ddos attacks ?
>
> ----
>
> in the past few years, i've tarpit'd about 10,000 IP# of DDoS
> attackers on a little ole box ( EPIA-800 w/ 1GB of memory ) and it
> barely can handle the load ... but than again, 10,000 iptables
> entries is fairly steep and semi-ridiculous :-)
>
> http://networknightmare.net/Tarpits/#Install
>
> even if the src IP# might be spoof'd, you, i still do NOT want those
> incoming DDoS attacks coming in at 1,000 or 10,000 packets per second
Yes, 1000 rules is a little overboard.
Have you tried ipset? Last I knew, it becomes more efficient than
individual rules when there are more than 16 IPs to check.
N
next prev parent reply other threads:[~2015-06-07 19:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-07 15:04 iptables based appliances alvin
2015-06-07 19:51 ` Neal P. Murphy [this message]
2015-06-08 14:02 ` iptables based appliances - ipset alvin
2015-06-08 16:02 ` Neal P. Murphy
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