RE: trapdoor.merit.edu and other impatient Postfix mailers everywhere (fwd)
I think MAPS managed to DOS themselves. Since they are refusing queries BIND can't cache the response and so it just keeps trying with every new e-mail. The traffic hitting MAPS servers has to be impressive.
If I were in a bad mood I'd see some poetry in that. Instead, I'll say that I think we have removed their stuff from our sendmail.cf files. But there are no doubt others in our address space that I don't know about. So. Somebody send me the IP addresses of their servers, I'll spend a couple of ACL slots and block-and-log accesses to their servers to protect them and to identify folk here that need to be told. Yes, I know I could look them up. After dinner I might. -- -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- . . - L. F. (Larry) Sheldon, Jr. - . Unix Systems and Network Administration . - Creighton University Computer Center-Old Gym - . 2500 California Plaza . - Omaha, Nebraska, U.S.A. 68178 Two identifying characteristics - . lsheldon@creighton.edu of System Administrators: . - 402 280-2254 (work) Infallibility, and the ability to - . 402 681-4726 (cellular) learn from their mistakes. . - 402 332-4622 (residence) - . http://www.creighton.edu/~lsheldon Adapted from Stephen Pinker . -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
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Larry Sheldon