Date: Wed, 5 Feb 1997 07:29:21 -0800 (PST) From: Ricardo Kleemann <ricardo@americasnet.com> To: FreeBSD ISP list <freebsd-isp@freebsd.org> Subject: hacking - help Message-ID: <Pine.LNX.3.95.970205072232.1101A-100000@irvine.americasnet.com>
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Hi, Today I noticed someone was logged into my freebsd machine, as user ftp. I immediately killed the shell and saw that soon he was back in. I then just made sure ftp had no shell, in hopes he wont be able to get in. But, the real question is, what hole must I plug to prevent this? Is there a known hole where someone can log in as ftp and gain root access? Thank God, it seems no damage was done (I hope! I haven't noticed anything other than wtmp was erased). Also, does freebsd support host.allow and host.deny? I didn't see those files in /etc and there was no man page Thanks for any help! Ricardo
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