bug in Solaris 2.6 security logging

From: Ruth Milner [VLA] (rmilnerat_private)
Date: Mon Jan 12 1998 - 06:38:24 PST

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    A heads-up for anyone monitoring login failures under Solaris:
    
    Under Solaris 2.x, login failure information is not all logged
    in one place. The tty and remote source host, if any, are written
    to /var/adm/messages, while the account name that was attempted,
    along with the tty but *not* the source host, is logged in
    /var/adm/loginlog *if it exists*. /var/adm/loginlog is not created
    by default when the OS is installed; it has to be touched and
    should be mode 600.
    
    Solaris 2.6 does not write anything in /var/adm/loginlog even if
    it does exist. This has been assigned bug ID 4096961.
    
    I also spoke to Sun about the fact that from the standpoint of
    monitoring security at a large site, complete information needs to
    be in one file; it is difficult to automate cross-referencing of
    multiple files, especially when /var/adm/messages summarizes
    repeated failures while /var/adm/loginlog does not. This has been
    assigned bug ID 4101839.
    ----
    Ruth Milner                            NRAO                  Socorro NM
    Manager of Computing Systems    rmilnerat_private
    



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