Where are static bogon filters appropriate? was: Bogons

Chris L. Morrow christopher.morrow at verizonbusiness.com
Thu Mar 1 19:32:49 UTC 2007

On Thu, 1 Mar 2007, Jon Lewis wrote:

> On Thu, 1 Mar 2007, Chris L. Morrow wrote:
> > So, where are static bogon filters appropriate? (loaded question perhaps)
> > I ask because just about every 'security expert' and 'security whitepaper'
> > or 'security suggestions' has some portion that speaks to "why it's a
> > grand idea to have acl-lines/firewall-policy tp block 'bogon' ip space"
> > (for some definition of 'bogon' of course).
> I suppose they're appropriate when done by network security consultants,
> as it guarantees future / repeat business.  :)

ah-ha! but seriously, is this something an NSP/ISP should be doing? or is
this an enterprise function? or MSSP function? Are there standard tools
available to notify folks when changes occur? (aside from: "go check
iana.org website" or "golly traffic's not flowing anymore")


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