<s>
PeerBlock	B-Application
is	O
a	O
free	B-License
and	I-License
open-source	I-License
personal	B-Protocol
firewall	I-Protocol
that	O
blocks	O
packets	O
coming	O
from	O
,	O
or	O
going	O
to	O
,	O
a	O
maintained	O
list	O
of	O
black	O
listed	O
hosts	O
.	O
</s>
<s>
PeerBlock	B-Application
is	O
the	O
Windows	O
successor	O
to	O
the	O
software	O
PeerGuardian	B-Application
(	O
which	O
is	O
currently	O
maintained	O
only	O
for	O
Linux	O
)	O
.	O
</s>
<s>
It	O
blocks	O
incoming	O
and	O
outgoing	O
connections	O
to	O
IP	B-Protocol
addresses	I-Protocol
that	O
are	O
included	O
on	O
blacklists	O
(	O
made	O
available	O
on	O
the	O
Internet	O
)	O
,	O
and	O
to	O
addresses	O
specified	O
by	O
the	O
user	O
.	O
</s>
<s>
PeerBlock	B-Application
mainly	O
uses	O
blacklists	O
provided	O
by	O
iblocklist.com	O
.	O
</s>
<s>
PeerBlock	B-Application
1.0	O
is	O
based	O
on	O
the	O
same	O
code	O
as	O
PeerGuardian	B-Application
2	I-Application
RC1	O
Test3	O
Vista	O
version	O
.	O
</s>
<s>
When	O
the	O
PeerGuardian	B-Application
project	O
ended	O
,	O
its	O
developer	O
Phoenix	O
Labs	O
encouraged	O
current	O
PeerGuardian	B-Application
users	O
to	O
migrate	O
to	O
PeerBlock	B-Application
.	O
</s>
<s>
PeerBlock	B-Application
is	O
under	O
development	O
by	O
a	O
small	O
team	O
of	O
developers	O
led	O
by	O
Mark	O
Bulas	O
.	O
</s>
<s>
Future	O
donations	O
are	O
intended	O
to	O
contribute	O
to	O
future	O
signed	O
drivers	O
,	O
hosting	O
and	O
to	O
possibly	O
rent	O
a	O
virtual	B-General_Concept
private	I-General_Concept
server	I-General_Concept
on	O
which	O
the	O
team	O
should	O
be	O
able	O
to	O
build	O
a	O
"	O
real	O
"	O
online-update	O
feature	O
for	O
future	O
releases	O
of	O
PeerBlock	B-Application
.	O
</s>
<s>
PeerBlock	B-Application
has	O
added	O
multiple	O
features	O
in	O
the	O
latest	O
version	O
of	O
the	O
program	O
.	O
</s>
<s>
The	O
program	O
allows	O
for	O
a	O
user	O
to	O
turn	O
on	O
and	O
off	O
both	O
IP	O
and	O
HTTP	O
trackers	O
as	O
well	O
as	O
including	O
a	O
log	O
showing	O
the	O
time	O
,	O
source	O
,	O
IP	B-Protocol
address	I-Protocol
,	O
destination	O
,	O
and	O
protocol	O
of	O
the	O
tracker	O
.	O
</s>
<s>
Until	O
September	O
2013	O
,	O
I-Blocklist	O
,	O
the	O
supplier	O
of	O
the	O
blocking	O
lists	O
PeerBlock	B-Application
uses	O
,	O
supported	O
unlimited	O
free	O
list	O
updating	O
.	O
</s>
<s>
PeerBlock	B-Application
is	O
hard-coded	O
to	O
use	O
I-Blocklist	O
lists	O
and	O
has	O
entered	O
into	O
a	O
revenue-sharing	O
agreement	O
with	O
I-Blocklist	O
.	O
</s>
