Subject: Re: increasing UT_HOSTSIZE for IPv6?
To: Bill Sommerfeld <firstname.lastname@example.org>
From: Bill Studenmund <email@example.com>
Date: 07/26/1999 11:38:32
On Mon, 26 Jul 1999, Bill Sommerfeld wrote:
> You don't want to log failed login attempts for unknown users, as
> users often get out of phase with the login program and enter a
> password where a login name is called for. Failed attempts where the
> user was known *could* go into wtmp, too, but that creates a potential
> denial-of-service attack due to logfile overflow..
AIX actually does something sane here. They record a count of failed
logins, and the source of the last one. Sounds like a good compromise
between file size and keeping detail.
They actually keep the infor in a different file which has one entry per
user, but the idea's the same.