<s>
A	O
.pcf	O
file	O
can	O
be	O
profile	B-Protocol
configuration	I-Protocol
file	I-Protocol
or	O
a	O
configuration	B-Protocol
file	I-Protocol
for	O
setting	O
the	O
client	O
parameters	O
in	O
a	O
virtual	B-Application
private	I-Application
network	I-Application
.	O
</s>
<s>
The	O
file	O
is	O
in	O
INI	B-Protocol
file	I-Protocol
format	O
and	O
contains	O
information	O
about	O
a	O
VPN	B-Application
connection	O
which	O
is	O
necessary	O
for	O
the	O
client	O
software	O
,	O
such	O
as	O
the	O
username	O
,	O
password	O
,	O
tunneling	O
port	O
,	O
DNS	B-Protocol
settings	O
.	O
</s>
<s>
The	O
.pcf-files	O
were	O
originally	O
used	O
for	O
Cisco	B-Protocol
Systems	I-Protocol
VPN	I-Protocol
Client	I-Protocol
,	O
but	O
are	O
now	O
used	O
also	O
in	O
other	O
VPN	B-Application
systems	O
to	O
distribute	O
configuration	O
information	O
to	O
clients	O
.	O
</s>
<s>
For	O
different	O
versions	O
of	O
VPN	B-Application
client	I-Application
software	O
there	O
are	O
different	O
.PCF	O
files	O
(	O
It	O
is	O
different	O
from	O
other	O
organization	O
)	O
.	O
</s>
