Unix security additions

[drake at drake.almaden.ibm.com]

I don't know about "unix" in general ... looking at AIX V3 in particular,
I suspect they are:

o  Access Control Lists (ACLs) on individual files.
o  Getting the passwords where they can't be publically read
o  Telling me when I log on when the last time I logged on was,
   and how many times someone has tried to log onto my account
   with an invalid password since I last logged on.
o  Eliminating setuid shell scripts
o  Providing alternatives to NFS with better security characteristics
   (AFS's Kerberos-enabled security, for example).


Sam Drake / IBM Almaden Research Center 
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