In message <Pine.NEB.4.61.0511250851560.27625@ugly.precedence.co.uk>, Stephen B
orrill writes:
>On Fri, 25 Nov 2005, Water NB wrote:
>
>> dialy insecurity output message as below:
>> Checking special files and directories.
>> var/log/lastlog:
>> gid (45, 0)
>> var/log/wtmpx:
>> gid (45, 0)
>> var/log/wtmp:
>> gid (45, 0)
>> var/log/lastlogx:
>> gid (45, 0)
>>
>> what it means?
>> My system is : NetBSD 3.0_RC3 x86
>
>The gid (45, 0) lines mean the group ownership should be 45 (utmp), but is 
>actually 0 (wheel). On a freshly installed 3.0_RC3 system these files are 
>owned by root:utmp. However, I've just noticed that on my running 3.0_BETA 
>box they are root:wheel (except for lastlog). This change is down revision 
>1.306.2.8 of /etc/Makefile committed just prior to 3.0_RC1.
>
>My guess is that you've upgraded this box from 3.0_BETA or earlier.
>
>You can change the ownership with, for example:
>chown root:utmp /var/log/lastlog
>

You also have to fix /etc/newsyslog.conf

		--Steven M. Bellovin, http://www.cs.columbia.edu/~smb