<s>
Corkscrew	B-Protocol
is	O
a	O
computer	O
program	O
that	O
enables	O
the	O
user	O
to	O
tunnel	O
SSH	B-Protocol
connections	O
through	O
most	O
HTTP	B-Protocol
and	O
HTTPS	B-Application
proxy	I-Application
servers	O
.	O
</s>
<s>
Combined	O
with	O
features	O
of	O
SSH	B-Protocol
such	O
as	O
port	B-Protocol
forwarding	I-Protocol
,	O
this	O
can	O
allow	O
many	O
types	O
of	O
services	O
to	O
be	O
run	O
securely	O
over	O
the	O
SSH	B-Protocol
via	O
HTTP	B-Protocol
connections	O
.	O
</s>
<s>
Supported	O
proxy	B-Application
servers	I-Application
:	O
</s>
