<s>
Web	B-Application
server	I-Application
software	O
allows	O
computers	O
to	O
act	O
as	O
web	B-Application
servers	I-Application
.	O
</s>
<s>
The	O
first	O
web	B-Application
servers	I-Application
supported	O
only	O
static	O
files	O
,	O
such	O
as	O
HTML	B-Language
(	O
and	O
images	O
)	O
,	O
but	O
now	O
they	O
commonly	O
allow	O
embedding	O
of	O
server	O
side	O
applications	O
.	O
</s>
<s>
Some	O
web	O
application	O
frameworks	O
include	O
simple	O
HTTP	B-Application
servers	I-Application
.	O
</s>
<s>
For	O
example	O
the	B-Language
Django	I-Language
framework	I-Language
provides	O
runserver	O
,	O
and	O
PHP	B-Application
has	O
a	O
built-in	O
server	O
.	O
</s>
<s>
Virtuoso	O
OpenLink	O
Software	O
8.3.3316	O
2020-03-10	O
Oracle	B-Protocol
HTTP	I-Protocol
Server	I-Protocol
Oracle	B-Application
Corporation	I-Application
proprietary	B-Application
12cR2	O
(	O
12.2.1.4	O
)	O
2021-02-	O
??	O
</s>
<s>
Some	O
features	O
may	O
be	O
intentionally	O
not	O
included	O
to	O
web	B-Application
server	I-Application
to	O
avoid	O
featuritis	O
.	O
</s>
<s>
TLS/HTTPS	O
may	O
be	O
enabled	O
with	O
a	O
separate	O
stunnel	B-Protocol
daemon	O
that	O
terminates	O
TLS	O
and	O
redirects	O
raw	O
HTTP	O
packets	O
to	O
http	B-Application
daemon	I-Application
.	O
</s>
<s>
NGINX	B-Operating_System
and	O
OpenBSD	B-Operating_System
httpd	O
authors	O
decided	O
not	O
to	O
include	O
CGI	B-Language
interpretation	O
but	O
instead	O
use	O
FastCGI	O
.	O
</s>
<s>
For	O
OpenBSD	B-Operating_System
was	O
developed	O
a	O
slowcgi	O
gateway	O
.	O
</s>
