Date: Thu, 20 Apr 2000 14:34:39 -0700 From: Randy Bush <randy@psg.com> To: Christopher Nielsen <enkhyl@pobox.com> Cc: freebsd-security@freebsd.org Subject: Re: log-in-vain [ was: 10 days ] Message-ID: <E12iOat-000C0e-00@rip.psg.com>
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> Something you might want to do, if you haven't already, is enable > log_in_vain in /etc/rc.conf by adding 'log_in_vain="YES"'. It will log > connection attempts on ports that have nothing listening on them. It can > be very enlightening. but what does one *do* with the info? there is so much scanning and so many baby cracker attempts that it does little good writing to source address admins. and the sources are spoofed in the majority of the cases anyway. while i think log watching is important, it can be massive data. so i try to keep it down to those data about which i can do something, either by changing my defenses or by dealing with the source of the problem. i am open to having my mind changed on this. randy To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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