From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Flex Subject: Re: SynFloods and CPU usage with and without iptables. Confused! Date: Sat, 04 May 2013 19:29:53 -0600 Message-ID: <5185B611.3080008@gmail.com> References: <5185444B.3090602@gmail.com> <9a3b8ec43ac420e45247dd70d2a597e1.squirrel@sqrl.metu.edu.tr> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:message-id:date:from:user-agent:mime-version:to:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=eFBCYdksXKAb6NzlyMla0aXjmAst+0tgsD/6MkQ67Sw=; b=hQIJpqcmFr3yDgpTSasFv4WgY+KeYn+9wOOF5g5VYIyRdhuI+GzaPxf3qyHzrYFyZ8 gGS2I0FoTd/X8Kx4N/Gm+r8t6ow5xlY2LIH2Dgw5ewHMaPu86REjLLCLVbbm+HumQPAp kBZxAiYydVTNeATmI1kncD2UPlQ7sP2umbORb+GRQRgu4GEjrnCGaN4uKuQEBmDsdxoB 3cbwoi1kcfSBV710YrM8Mf61iyIpCUJ5nSollSjU+/hgqfMeZbgVfaRj9t1KLIljIMEG tw2d0syXaIRTcUmQ0EOuL5nlK+bjwq2IQaDze242/N/Dbcs86FWWNKdQrmjq/GtxEmFL zhaQ== In-Reply-To: <9a3b8ec43ac420e45247dd70d2a597e1.squirrel@sqrl.metu.edu.tr> Sender: netfilter-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: netfilter@vger.kernel.org Hdemir, I think that after thr attacks are over, iam going "back to the drawing board" ... Can you please confirm if you are able to load test your server with hping3 for a syn flood? For some reason i have not been able to get more then 8k pps so far with the flood option. Iam currently looking for ways to load test different scenarios as per Stevens advice. Thanks Alex