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Re: carp and dead daemon
matthew sporleder <msporleder%gmail.com@localhost> wrote:
> This is a common problem with load balancers and proxies (I've used
> many in front-of web apps where we had to insert custom X-Forward
> headers and other hacks -- I'm not sure if pen can do this), but I
> thought most spam filters used smtp headers? I don't run any of my
> own email servers, though.
greylisting happens before you get the headers.
> I should also point out that you're really just trading one
> application for another since pen could fail and CARP wouldn't notice.
pen itself can be ballanced using carp. Their web site give example
using vrrp on Linux.
> I would love to see port-level monitoring/kernel-module load
> balancing built into NetBSD. :)
I wonder if kqueue is not already able to do give the information.
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