<s>
Boa	B-Application
is	O
a	O
discontinued	O
since	O
2005	O
open-source	B-Application
small-footprint	O
web	B-Application
server	I-Application
that	O
is	O
suitable	O
for	O
embedded	O
applications	O
.	O
</s>
<s>
Slashdot	O
and	O
Fotolog	B-Algorithm
use	O
Boa	B-Application
to	O
serve	O
images	O
.	O
</s>
<s>
As	O
of	O
its	O
last	O
release	O
,	O
Boa	B-Application
has	O
the	O
following	O
limitations	O
:	O
</s>
<s>
No	O
access	O
control	O
features	O
(	O
HTTP	B-Protocol
Basic	I-Protocol
access	O
authentication	O
,	O
etc	O
.	O
)	O
</s>
<s>
As	O
of	O
2022	O
Boa	B-Application
is	O
still	O
used	O
in	O
many	O
embedded	O
applications	O
,	O
and	O
its	O
known	O
vulnerabilities	O
have	O
been	O
actively	O
exploited	O
.	O
</s>
