Spammers hapless fate = ISP toil and sweat

Nick,

At 16:53 17-09-1997 +0100, Nick Hilliard wrote:
>> The Internet needs unforgeable addresses, IP and "caller ID" equivalent.
>
>This is a good point, but unfortunately, we're still stuck with ipv4, which
>is completely forgeable.  If you've got even one rogue BGP site, they can
>inject anything the feel like into the internet routing tables and do all
>sorts of horrible things.
>
>I'm almost surprised that spammers haven't cottoned on to this yet -- they
>could inject some temporary routes into the internet, use hosts on these
>address ranges to bounce their spam off a 3rd-party relay site and then
>withdraw the announcements.  This would be almost totally untraceable and
>would circumvent routing black holes completely -- for those who are using
>routing black holes to try to control spamming.

To do this they would have to BGP peer with somebody that does NOT filter
prefixes from a customer connection (and that is a Bad Thing (tm)).
Unless the spammer is an NSP itself.
Ok, there are ways around this but I wouldn't even think of them, much less
discuss them on a list :-)

kind regards,
---
pedro ramalho carlos  Pedro.Carlos at co.ip.pt      IP SA
tel: +351-1-3166724             Av. Duque de Avila, 23
fax: +351-1-3166701             1000 LISBOA - PORTUGAL
PGP Key fingerprint =  B7 45 B2 F9 F3 1F 67 19  1F 24 76 67 8D F6 2C B2