lvs-users
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To: | "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx> |
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Subject: | Re: (failed) ddos attack against my lvs cluster |
From: | Jacob Coby <jcoby@xxxxxxxxxxxxxxx> |
Date: | Thu, 04 Nov 2004 11:00:31 -0500 |
Jacob Coby wrote: You can try turning on tcp_syncookies: echo 1 > /proc/sys/net/ipv4/tcp_syncookies http://www.mail-archive.com/focus-linux@xxxxxxxxxxxxxxxxx/msg00185.html I forgot to mention that I've had tcp_syncookies enabled on individual systems for about 3 years now with no problems. I've had it enabled on every machine in a LVS-DR cluster for 6 months with no problems. The email I quoted just said everything I wanted to say. -Jacob |
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