North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: [c-nsp] [Re: huge amount of weird traffic on poin-to-pointethernet link]
[email protected] writes: > On Thu, Nov 09, 2006 at 09:26:13AM -0500, Robert Boyle wrote: >> >> At 09:23 AM 11/9/2006, you wrote: >> >On Thu, Nov 09, 2006, Robert Boyle wrote: >> > >> >> You should also create a bogons list for your BGP routes which you >> >> accept from your upstream. Block all RFC1918 space and unassigned >> >> public addresses too. Just keep on top of it when new allocations are >> >> put into use. We see all kinds of crazy things which people try to >> >> announce (and successfully too - up to our borders anyway.) >> > >> >Is there a somewhat-reliable bogon BGP feed that can be subscribed to >> >these days? >> >> We just maintain our own. I remember hearing about one a while ago, >> but we don't use it so I don't know any details. > > I'd strongly advise against folks doing it statically.. there seems > to be ongoing issues with stale filters each time new address space > is released. Even with the best of intentions folks change role or > employer and things can get left unmanaged. > > The craziest stuff that gets announced isnt in the > reserved/unallocated realm anyway so the effort seems to be > disproportional to the benefits... and most issues I read about with > reserved space is packets coming FROM them not TO them.... Steve's 100% spot-on here. I don't have bogon filters at all and it hasn't hurt me in the least. I think the notion that this is somehow a good practice needs to be quashed. ---rob
|