<s>
Apache	B-Application
Fortress	I-Application
is	O
an	O
open	B-Application
source	I-Application
project	O
of	O
the	O
Apache	O
Software	O
Foundation	O
and	O
a	O
subproject	O
of	O
the	O
Apache	B-Application
Directory	I-Application
.	O
</s>
<s>
It	O
is	O
an	O
authorization	O
system	O
,	O
written	O
in	O
Java	B-Language
,	O
that	O
provides	O
role-based	O
access	O
control	O
,	O
delegated	B-General_Concept
administration	I-General_Concept
and	O
password	O
policy	O
using	O
an	O
LDAP	B-Protocol
backend	O
.	O
</s>
<s>
Core	O
-	O
A	O
set	O
of	O
security	O
authorization	O
APIs	B-General_Concept
.	O
</s>
<s>
Realm	O
-	O
A	O
Web	B-Language
Container	I-Language
plug-in	O
that	O
provides	O
security	O
for	O
the	O
Apache	B-Language
Tomcat	I-Language
container	O
.	O
</s>
<s>
Rest	O
-	O
HTTP	B-Protocol
protocol	I-Protocol
wrappers	O
of	O
core	O
APIs	B-General_Concept
using	O
Apache	B-Language
CXF	I-Language
.	O
</s>
<s>
Web	O
-	O
HTML	B-Language
pages	O
of	O
core	O
APIs	B-General_Concept
using	O
Apache	B-Language
Wicket	I-Language
.	O
</s>
<s>
Fortress	O
was	O
first	O
contributed	O
in	O
2011	O
to	O
the	O
OpenLDAP	B-Language
Foundation	O
and	O
moved	O
to	O
the	O
Apache	B-Application
Directory	I-Application
project	O
in	O
2014	O
.	O
</s>
<s>
Fortress	O
provides	O
security	O
functions	O
via	O
APIs	B-General_Concept
corresponding	O
to	O
the	O
standards	O
implemented	O
.	O
</s>
