<s>
WWWOFFLE	B-Protocol
is	O
a	O
proxy	B-Application
server	I-Application
and	O
web	B-Protocol
caching	I-Protocol
software	O
,	O
allowing	O
dial-up	O
or	O
broadband	B-General_Concept
users	O
to	O
cache	O
data	O
for	O
offline	O
use	O
.	O
</s>
<s>
It	O
can	O
handle	O
HTTP	B-Protocol
,	O
FTP	B-Protocol
,	O
and	O
finger	B-Application
protocol	I-Application
,	O
and	O
operates	O
on	O
IPv4	B-Protocol
and	O
IPv6	B-Protocol
.	O
</s>
<s>
Version	O
builds	O
are	O
Unix-based	O
:	O
ports	O
are	O
available	O
for	O
Linux	B-Application
,	O
and	O
Win32	B-Library
support	O
is	O
provided	O
via	O
Cygwin	B-Language
.	O
</s>
