<s>
WinSock	O
File	B-Protocol
Transfer	I-Protocol
Protocol	I-Protocol
,	O
or	O
WS_FTP	O
,	O
is	O
a	O
secure	O
file	B-Protocol
transfer	I-Protocol
software	O
package	O
produced	O
by	O
Ipswitch	B-Protocol
,	I-Protocol
Inc	I-Protocol
.	I-Protocol
Ipswitch	O
is	O
a	O
Massachusetts-based	O
software	O
producer	O
established	O
in	O
1991	O
that	O
focuses	O
on	O
networking	O
and	O
file	O
sharing	O
.	O
</s>
<s>
WS_FTP	O
consists	O
of	O
an	O
FTP	B-Protocol
server	I-Protocol
and	O
an	O
FTP	B-Protocol
client	I-Protocol
and	O
has	O
over	O
40	O
million	O
users	O
worldwide	O
.	O
</s>
<s>
WS_FTP	O
was	O
originally	O
released	O
as	O
Shareware	B-License
.	O
</s>
<s>
File	B-Protocol
Transfer	I-Protocol
Protocols	I-Protocol
are	O
used	O
to	O
transfer	O
large	O
files	O
.	O
</s>
<s>
FTP	B-Protocol
clients	I-Protocol
add	O
stability	O
and	O
encryption	O
options	O
over	O
traditional	O
FTP	B-Protocol
transfers	O
.	O
</s>
<s>
The	O
WS_FTP	O
client	O
has	O
a	O
"	O
classic	O
"	O
GUI	B-Application
with	O
two	O
panes	O
,	O
one	O
showing	O
the	O
local	O
computer	O
and	O
the	O
other	O
accessing	O
the	O
remote	O
host	O
,	O
though	O
newer	O
versions	O
of	O
the	O
software	O
have	O
updated	O
interfaces	O
,	O
including	O
a	O
web	O
browser	O
interface	O
.	O
</s>
<s>
The	O
WS_FTP	O
secure	O
server	O
encrypts	O
files	O
using	O
SSL/FTPS	O
,	O
SSH	O
,	O
or	O
SCP2	O
and	O
HTTPS	B-Protocol
transfers	O
.	O
</s>
