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Re: [lvs-users] IPVS SYN-cookies -> IPVS security patch not 3.x kernels

To: "LinuxVirtualServer.org users mailing list." <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: [lvs-users] IPVS SYN-cookies -> IPVS security patch not 3.x kernels
From: Alexander Frolkin <avf@xxxxxxxxxxxxxx>
Date: Thu, 16 May 2013 09:13:00 +0100
> It is a view that I do not share.
> I prefer to use the solution to "limit" at the IPVS IP server and use
> the SYN Cookies on the real servers.
> Maybe I'm wrong, but I prefer distribute the attack on the real servers
> rather than take the risk of dropping the IPVS director himself.

In our set-up, we're planning to have multiple directors running
active-active with the traffic spread across them via ECMP routing, and
we will have enough directors to take the load of a SYN flood that maxes
out our Internet link.


Alex


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