Great. Thanks for the information. -Zhiyun On Sep 2, 2010, at 9:20 PM, Suresh Ramasubramanian wrote:
> BCP38 / RFC2827 were created specifically to address some quite > similar problems. And googling either of those two strings on nanog > will get you a lot of griping and/or reasons as to why these aren't > being more widely adopted :) > > --srs > > On Fri, Sep 3, 2010 at 7:47 AM, Zhiyun Qian <zhiy...@umich.edu> wrote: >> Suresh, thanks for your interest. I see you've had a lot of experience in >> fighting spam, so you must have known this. Yes, I know this spamming >> technique has been around for a while. But it's surprising to see that the >> majority of the ISPs that we studied are still vulnerable to this attack. >> That probably indicates that it is not as widely known as we would expect. >> So I thought it would be beneficial to raise the awareness of the problem. >> >> In terms of more results, the paper is the most detailed document we have. >> Otherwise, if you interested in the data that we collected (which ISPs or IP >> ranges are vulnerable to this attack). We can chat offline. >> >> Regards. >> -Zhiyun > >