[syslog-ng] syslog-ng 2 and bandwidth limiting

Jason Haar Jason.Haar at trimble.co.nz
Mon Apr 9 00:46:59 CEST 2007

jrhendri at maine.rr.com wrote:
> Hi,
>   Is there a way to limit the bandwidth of an ng server?
> If so, does it work with UDP or only TCP?
Why not put this problem where it really belongs, and state that it's a
network problem - and needs a network-based solution? i.e. why can't
your "network people" implement TOS/packet shaping to limit the max
bandwidth TCP port 514 can use?

...and yes, I know that *for individual cases* it's easier to try to
solve this at an application layer, but it doesn't change the fact that
this is a network problem. Not all network applications have bandwidth
limiting features, and yet *all network applications* have the potential
to swallow all bandwidth. So the real solution is at the network layer -
not the application layer.

Hmmm, actually - there is a hybrid solution: implement TOS on the
servers IP stack. i.e. tell the server that's running syslog-ng to limit
how much bandwidth it's using. Great thing is you can do that for any
network protocol - not just syslog-ng.


Jason Haar
Information Security Manager, Trimble Navigation Ltd.
Phone: +64 3 9635 377 Fax: +64 3 9635 417
PGP Fingerprint: 7A2E 0407 C9A6 CAF6 2B9F 8422 C063 5EBB FE1D 66D1

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