[c-nsp] Automatic SNMP trap generation

Gert Doering gert at greenie.muc.de
Wed Apr 26 16:00:57 EDT 2006


Hi,

On Wed, Apr 26, 2006 at 09:23:21AM -0700, Bruce Pinsky wrote:
> > On Wed, Apr 26, 2006 at 08:09:52AM -0700, Bruce Pinsky wrote:
> >> But of course by doing this you expose the correct community string since
> >> it is sent as part of the trap generated for the invalid community string.
> >>  In general, this is a bad idea.
> > 
> > so you say "SNMP traps in response to network incidents are a bad idea"?
> 
> No, just the one for invalid community since it can be generated on demand
> if the proper access controls are not in place for SNMP.  Can also be a
> vector for DoS.

Hmmm, good point.  For *valid* communities, there are ACLs, but not for
*invalid* ones... - so you need infrastructure ACLs as well.

gert
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Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de


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