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Re: "RelayFinder" Anyone else seen this? (erols, fnord, oneill may be interested)
- From: Christopher X. Candreva
- Date: Mon Jun 29 10:35:27 1998
Hmmm -- a brute-force scan may have been a bad idea, but the idea may in
fact be a good one.
I'm thinking instead to extract from the sendmail logs all mail servers that
connect to an ISP, and run a scan on them. Hopefully craft the return DNS
entry such that it's obvious it's a legit test. Or simply to be inocuous.
Test all relay's that connect to us, a few ISPs do that, and we might just
have a large list of open SMTP servers to contact to fix their servers.
Couple with a list of how to fix/upgrade the various server versions
(including clueless NT ones), and we might actually make a dent.
Chris Candreva -- firstname.lastname@example.org -- (914) 967-7816
WestNet Internet Services of Westchester