<s>
K9	B-Application
Web	I-Application
Protection	I-Application
is	O
discontinued	O
content-control	B-Protocol
software	I-Protocol
developed	O
by	O
Blue	O
Coat	O
Systems	O
.	O
</s>
<s>
In	O
2016	O
,	O
K9	B-Application
Web	I-Application
Protection	I-Application
was	O
acquired	O
by	O
Symantec	O
as	O
part	O
of	O
the	O
company	O
's	O
purchase	O
of	O
Blue	O
Coat	O
Systems	O
.	O
</s>
<s>
In	O
April	O
2019	O
,	O
Symantec	O
announced	O
that	O
K9	B-Application
Web	I-Application
Protection	I-Application
would	O
be	O
discontinued	O
and	O
would	O
no	O
longer	O
be	O
made	O
available	O
for	O
download	O
or	O
purchase	O
.	O
</s>
<s>
On	O
the	O
other	O
hand	O
,	O
if	O
the	O
computer	O
can	O
not	O
connect	O
to	O
this	O
database	O
for	O
any	O
reason	O
(	O
such	O
as	O
a	O
firewall	B-Application
blocking	O
the	O
connection	O
)	O
,	O
all	O
web	O
access	O
will	O
be	O
disabled	O
.	O
</s>
<s>
K9	B-Application
Web	I-Application
Protection	I-Application
is	O
proprietary	B-Application
software	I-Application
which	O
is	O
free	O
for	O
home	O
use	O
.	O
</s>
<s>
Similarly	O
,	O
attempts	O
to	O
modify	O
the	O
program	O
from	O
the	O
windows	B-Protocol
registry	I-Protocol
or	O
file	O
system	O
will	O
also	O
lead	O
to	O
all	O
web	O
access	O
being	O
disabled	O
.	O
</s>
