|
North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical RE: Abuse procedures... Reality Checks
If they're properly SWIPed why punish the ISP for networks they don't even operate, that obviously belong to their business customers? And if the granular blocking is effectively shutting down the abuse from that sub-allocated block, didn't the network operator succeed in protecting themselves? Or is the netop looking to the ISP to push back on their customers to clean up their act? Or is the netop trying to teach the ISP a lesson? Of course, it doesn't hurt to copy the ISP or AS owner for abuse issues from a sub-allocated block -- you would hope that ISPs and AS owners would want to have clean customers. Frank -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of william(at)elan.net Sent: Saturday, April 07, 2007 5:58 PM To: Fergie Cc: [email protected]; [email protected] Subject: Re: Abuse procedures... Reality Checks On Sat, 7 Apr 2007, Fergie wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > - -- Rich Kulawiec <[email protected]> wrote: > > 1. There's nothing "indiscriminate" about it. > >> I often block /24's and larger because I'm holding the *network* operators >> responsible for what comes out of their operation. If they can't hold >> the outbound abuse down to a minimum, then I guess I'll have to make >> up for their negligence on my end. I don't care why it happens -- they >> should have thought through all this BEFORE plugging themselves in >> and planned accordingly. ("Never build something you can't control.") > > I would have to respectfully disagree with you. When network > operators do due diligence and SWIP their sub-allocations, they > (the sub-allocations) should be authoritative in regards to things > like RBLs. > > $.02, Yes. But the answer is that it also depends how many other cases like this exist from same operator. If they have 16 suballocations in /24 but say 5 of them are spewing, I'd block /24 (or larger) ISP block. The exact % of bad blocks (i.e. when to start blocking ISP) depends on your point of view and history with that ISP but most in fact do held ISPs partially responsible. -- William Leibzon Elan Networks [email protected]
|