nanog mailing list archives
Re: Purchased IPv4 Woes
From: valdis.kletnieks () vt edu
Date: Sun, 12 Mar 2017 11:40:28 -0400
On Sun, 12 Mar 2017 11:11:41 -0400, "Chuck Church" said:
Maybe a silly idea, but shouldn't the sale of a block of addresses (RIR ownership change) trigger a removal of that block from all reputation list databases? If I buy a car from a police auction, I'm fairly sure the FBI doesn't start tailing me, because the car was once used for less than legal purposes. New owner, clean slate.
How does Spamhaus find out the block has been resold? How do other DNS-based blacklist operators find out? How do all the AS's that have their own internal blacklists find out that they should fix their old listings? (Note that this is the exact same problem as "We got blacklisted because of a bad customer, we axed the customer, but we're still blacklisted", which has been a an unsolved problem for decades now). And it's awfully easy to game the system by just reselling the block between a group of shell companies run by bad actors.
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Current thread:
- Re: Purchased IPv4 Woes, (continued)
- Re: Purchased IPv4 Woes Pete Baldwin (Mar 12)
- Re: Purchased IPv4 Woes Pete Baldwin (Mar 12)
- Re: Purchased IPv4 Woes Martin Hannigan (Mar 11)
- Re: Purchased IPv4 Woes Bryan Holloway (Mar 11)
- Re: Purchased IPv4 Woes Bob Evans (Mar 11)
- Re: Purchased IPv4 Woes Pete Baldwin (Mar 12)
- Re: Purchased IPv4 Woes Bryan Holloway (Mar 11)
- Re: Purchased IPv4 Woes Justin Wilson (Mar 12)
- RE: Purchased IPv4 Woes Chuck Church (Mar 12)
- RE: Purchased IPv4 Woes Clayton Zekelman (Mar 12)
- Re: Purchased IPv4 Woes Stephen Frost (Mar 12)
- Re: Purchased IPv4 Woes valdis . kletnieks (Mar 12)
- Re: Purchased IPv4 Woes Baldur Norddahl (Mar 12)
- Re: Purchased IPv4 Woes Chris Knipe (Mar 12)
- Re: Purchased IPv4 Woes Chris Knipe (Mar 12)
- Re: Purchased IPv4 Woes valdis . kletnieks (Mar 12)
- Re: Purchased IPv4 Woes Chris Knipe (Mar 12)
- Re: Purchased IPv4 Woes valdis . kletnieks (Mar 12)
- Re: Purchased IPv4 Woes Brielle Bruns (Mar 12)
- Re: Purchased IPv4 Woes Baldur Norddahl (Mar 12)
- Re: Purchased IPv4 Woes Chris Knipe (Mar 12)
- RE: Purchased IPv4 Woes Chuck Church (Mar 12)
- Re: Purchased IPv4 Woes Rich Kulawiec (Mar 12)