From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fabio Fantoni Subject: Question about antispoofing and sys-flood protection on xen bridges Date: Fri, 05 Oct 2012 15:41:38 +0200 Message-ID: <506EE392.3000707@heliman.it> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen-devel List-Id: xen-devel@lists.xenproject.org I'm in doubt about antispoofing and sys-flood protection on dom0 and their effect on xen bridges. Added these parameters on /etc/sysctl.conf: net.ipv4.conf.default.rp_filter=1 net.ipv4.conf.all.rp_filter=1 net.ipv4.tcp_syncookies=1 Can they give problem on xen bridges and/or its performance? Thanks for any reply