<s>
Secure	B-Application
Web	I-Application
SmartFilter	I-Application
EDU	I-Application
,	O
formerly	O
known	O
as	O
Bess	B-Application
,	O
is	O
a	O
brand	O
of	O
content-control	B-Protocol
software	I-Protocol
made	O
by	O
Secure	O
Computing	O
Corporation	O
,	O
which	O
acquired	O
maker	O
N2H2	O
in	O
2003	O
;	O
it	O
is	O
usually	O
used	O
in	O
libraries	O
and	O
schools	O
.	O
</s>
<s>
The	O
main	O
purpose	O
of	O
the	O
system	O
is	O
as	O
an	O
Internet	B-Protocol
filter	I-Protocol
,	O
blocking	O
minors	O
using	O
the	O
public	O
computers	O
from	O
accessing	O
web	O
content	O
deemed	O
inappropriate	O
by	O
the	O
local	O
administrators	O
of	O
the	O
system	O
based	O
on	O
the	O
Acceptable	O
Use	O
Policy	O
of	O
the	O
organization	O
.	O
</s>
<s>
The	O
system	O
is	O
not	O
installed	O
locally	O
(	O
on	O
each	O
individual	O
computer	B-Device
workstation	I-Device
)	O
,	O
but	O
installs	O
on	O
the	O
server	B-Application
between	O
the	O
users	O
and	O
the	O
open	O
Internet	O
.	O
</s>
<s>
Like	O
other	O
similar	O
filters	O
,	O
Secure	B-Application
Web	I-Application
SmartFilter	I-Application
EDU	I-Application
has	O
come	O
under	O
attack	O
for	O
unnecessarily	O
impeding	O
school	O
research	O
(	O
false	O
positives	O
)	O
,	O
being	O
too	O
aggressive	O
in	O
its	O
filtering	O
procedures	O
or	O
not	O
being	O
aggressive	O
enough	O
in	O
its	O
filtering	O
procedures	O
.	O
</s>
<s>
Other	O
critics	O
believe	O
that	O
the	O
imposition	O
of	O
Internet	B-Protocol
filtering	I-Protocol
software	I-Protocol
without	O
the	O
consent	O
of	O
the	O
user	O
constitutes	O
a	O
violation	O
of	O
the	O
First	O
Amendment	O
.	O
</s>
