<s>
IceWall	B-General_Concept
SSO	I-General_Concept
is	O
a	O
Web	O
and	O
Federated	O
single	O
sign-on	O
software	O
developed	O
and	O
marketed	O
by	O
Hewlett	O
Packard	O
Enterprise	O
over	O
the	O
globe	O
.	O
</s>
<s>
IceWall	B-General_Concept
SSO	I-General_Concept
was	O
originally	O
developed	O
by	O
HP	O
Japan	O
.	O
</s>
<s>
Since	O
its	O
first	O
release	O
in	O
1997	O
,	O
IceWall	B-General_Concept
SSO	I-General_Concept
has	O
seen	O
its	O
adoption	O
in	O
intranet	O
,	O
B-to-C	O
,	O
B-to-B	O
,	O
and	O
many	O
other	O
services	O
globally	O
with	O
more	O
than	O
40	O
million	O
user	O
licenses	O
sold	O
so	O
far	O
all	O
over	O
the	O
world	O
.	O
</s>
<s>
Its	O
latest	O
version	O
,	O
IceWall	B-General_Concept
SSO	I-General_Concept
10.0	O
,	O
now	O
provides	O
support	O
for	O
new	O
leading-edge	O
technologies	O
such	O
as	O
cloud	O
and	O
virtualization	O
,	O
and	O
the	O
IceWall	B-General_Concept
SSO	I-General_Concept
product	O
line	O
has	O
been	O
extended	O
to	O
include	O
Windows	O
support	O
in	O
addition	O
to	O
the	O
existing	O
HP-UX	B-Application
and	O
Linux	O
versions	O
.	O
</s>
<s>
Supported	O
Platforms	O
are	O
Red	O
Hat	O
Enterprise	O
Linux	O
,	O
HP-UX	B-Application
and	O
Windows	B-Device
Server	I-Device
.	O
</s>
<s>
IceWall	B-General_Concept
SSO	I-General_Concept
mainly	O
has	O
Reverse	B-General_Concept
Proxy	I-General_Concept
type	O
implementation	O
,	O
but	O
it	O
can	O
be	O
configured	O
to	O
work	O
as	O
an	O
Agent	O
type	O
as	O
well	O
depending	O
on	O
the	O
requirements	O
.	O
</s>
<s>
IceWall	B-General_Concept
SSO	I-General_Concept
mainly	O
consists	O
of	O
two	O
modules	O
.	O
</s>
<s>
A	O
CGI	B-Language
process	O
which	O
works	O
as	O
a	O
Reverse	B-General_Concept
Proxy	I-General_Concept
.	O
</s>
<s>
It	O
accepts	O
http/https	O
requests	O
from	O
Web	B-Application
browser	I-Application
and	O
forwards	O
them	O
to	O
backend	O
applications	O
.	O
</s>
<s>
A	O
daemon	B-Operating_System
program	O
which	O
accepts	O
requests	O
from	O
Forwarder	O
and	O
performs	O
authentication	O
by	O
getting	O
user	O
information	O
from	O
Certification	O
DB	O
(	O
Directory	O
services	O
or	O
RDB	B-Application
)	O
.	O
</s>
