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NAME    [Toc]    [Back]

     posix1e - introduction to the POSIX.1e security API

DESCRIPTION    [Toc]    [Back]

     The IEEE POSIX.1e specification never left draft  form,  but
the interfaces
     it  describes  are  now widely used despite inherent limitations.  Currently,
 only a few of the interfaces and features are implemented in OpenBSD,
     although efforts are underway to complete the integration at
this time.

     POSIX.1e describes five  security  extensions  to  the  base
POSIX.1 API: Access
 Control Lists (ACLs), Auditing, Capabilities, Mandatory
Access Control,
 and Information Flow Labels.

     POSIX.1e defines both syntax and semantics  for  these  features, but fairly
     substantial changes are required to implement these features
in the operating


     FreeBSD's support for POSIX.1e interfaces  and  features  is
still under development
 at this time.

ENVIRONMENT    [Toc]    [Back]

     POSIX.1e  assigns  security labels to all objects, extending
the security
     functionality described in POSIX.1.  These additional labels
     fine-grained  discretionary access control, fine-grained capabilities, and
     labels necessary for mandatory access control.  POSIX.2c describes a set
     of userland utilities for manipulating these labels.

SEE ALSO    [Toc]    [Back]


STANDARDS    [Toc]    [Back]

     POSIX.1e is described in IEEE POSIX.1e draft 17.  Discussion
of the draft
     continues  on  the  cross-platform  POSIX.1e  implementation
mailing list.  To
     join this list, see the OpenBSD POSIX.1e implementation page
for more information.

HISTORY    [Toc]    [Back]

     POSIX.1e support was introduced in OpenBSD 3.1 and  development continues.

AUTHORS    [Toc]    [Back]

     Robert N M Watson
     Chris D. Faulhaber
     Thomas Moestl
     Ilmar S Habibulin

BUGS    [Toc]    [Back]

     These features are not yet fully implemented.

OpenBSD      3.6                         January     17,     2000
[ Back ]
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