<s>
Bonjour	O
is	O
Apple	O
's	O
implementation	O
of	O
zero-configuration	B-Application
networking	I-Application
(	O
zeroconf	B-Application
)	O
,	O
a	O
group	O
of	O
technologies	O
that	O
includes	O
service	B-Protocol
discovery	I-Protocol
,	O
address	B-Protocol
assignment	I-Protocol
,	O
and	O
hostname	B-Library
resolution	I-Library
.	O
</s>
<s>
Bonjour	O
locates	O
devices	O
such	O
as	O
printers	O
,	O
other	O
computers	O
,	O
and	O
the	O
services	O
that	O
those	O
devices	O
offer	O
on	O
a	O
local	B-General_Concept
network	I-General_Concept
using	O
multicast	B-Protocol
Domain	I-Protocol
Name	I-Protocol
System	I-Protocol
(	O
mDNS	B-Protocol
)	O
service	O
records	O
.	O
</s>
<s>
The	O
software	O
comes	O
built-in	O
with	O
Apple	O
's	O
macOS	B-Application
and	O
iOS	B-Application
operating	O
systems	O
.	O
</s>
<s>
Bonjour	O
can	O
also	O
be	O
installed	O
onto	O
computers	O
running	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
Bonjour	O
components	O
may	O
also	O
be	O
included	O
within	O
other	O
software	O
such	O
as	O
iTunes	B-Operating_System
and	O
Safari	B-Application
.	O
</s>
<s>
After	O
its	O
introduction	O
in	O
2002	O
with	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
10.2	I-Operating_System
as	O
Rendezvous	O
,	O
the	O
software	O
was	O
renamed	O
in	O
2005	O
to	O
Bonjour	O
following	O
an	O
out-of-court	O
trademark	O
dispute	O
settlement	O
.	O
</s>
<s>
Bonjour	O
provides	O
a	O
general	O
method	O
to	O
discover	O
services	O
on	O
a	O
local	B-General_Concept
area	I-General_Concept
network	I-General_Concept
.	O
</s>
<s>
The	O
software	O
is	O
widely	O
used	O
throughout	O
macOS	B-Application
,	O
and	O
allows	O
users	O
to	O
set	O
up	O
a	O
network	O
without	O
any	O
configuration	B-General_Concept
.	O
</s>
<s>
Software	O
such	O
as	O
Bonjour	O
Browser	O
or	O
iStumbler	B-Protocol
,	O
both	O
for	O
macOS	B-Application
,	O
can	O
be	O
used	O
to	O
view	O
all	O
services	O
declared	O
by	O
these	O
applications	O
.	O
</s>
<s>
Apple	O
's	O
"	O
Remote	O
"	O
application	O
for	O
iPhone	O
and	O
iPod	O
Touch	O
also	O
uses	O
Bonjour	O
to	O
establish	O
connection	O
to	O
iTunes	B-Operating_System
libraries	O
via	O
Wi-Fi	O
.	O
</s>
<s>
Bonjour	O
only	O
works	O
within	O
a	O
single	O
broadcast	B-Architecture
domain	I-Architecture
,	O
which	O
is	O
usually	O
a	O
small	O
area	O
,	O
without	O
special	O
DNS	O
configuration	B-General_Concept
.	O
</s>
<s>
macOS	B-Application
,	O
Bonjour	O
for	O
Windows	B-Application
and	O
AirPort	O
Base	O
Stations	O
may	O
be	O
configured	O
to	O
use	O
Wide	O
Area	O
Bonjour	O
which	O
allows	O
for	O
wide	O
area	O
service	B-Protocol
discovery	I-Protocol
via	O
an	O
appropriately	O
configured	O
DNS	O
server	O
.	O
</s>
<s>
Applications	O
generally	O
implement	O
Bonjour	O
services	O
using	O
standard	O
TCP/IP	B-Protocol
calls	O
,	O
rather	O
than	O
in	O
the	O
operating	O
system	O
.	O
</s>
<s>
Although	O
macOS	B-Application
provides	O
various	O
Bonjour	O
services	O
,	O
Bonjour	O
also	O
works	O
on	O
other	O
operating	O
systems	O
.	O
</s>
<s>
Apple	O
has	O
made	O
the	O
source	O
code	O
of	O
the	O
Bonjour	O
multicast	B-Protocol
DNS	I-Protocol
responder	O
,	O
the	O
core	O
component	O
of	O
service	B-Protocol
discovery	I-Protocol
,	O
available	O
as	O
a	O
Darwin	B-Operating_System
open	B-Application
source	I-Application
project	O
.	O
</s>
<s>
The	O
project	O
provides	O
source	O
code	O
to	O
build	O
the	O
responder	O
daemon	O
for	O
a	O
wide	O
range	O
of	O
platforms	O
,	O
including	O
Mac	B-Operating_System
OS	I-Operating_System
9	I-Operating_System
,	O
macOS	B-Application
,	O
Linux	B-Application
,	O
*	O
BSD	O
,	O
Solaris	B-Application
,	O
VxWorks	B-Operating_System
,	O
and	O
Windows	B-Application
.	O
</s>
<s>
Apple	O
also	O
provides	O
a	O
user-installable	O
set	O
of	O
services	O
called	O
Bonjour	O
for	O
Windows	B-Application
and	O
Java	O
libraries	O
.	O
</s>
<s>
It	O
is	O
freeware	B-License
for	O
clients	O
,	O
though	O
developers	O
and	O
software	O
companies	O
who	O
wish	O
to	O
redistribute	O
it	O
as	O
part	O
of	O
a	O
software	O
package	O
or	O
use	O
the	O
Bonjour	O
logo	O
may	O
need	O
a	O
licensing	O
agreement	O
.	O
</s>
<s>
The	O
source	O
code	O
for	O
mDNSResponder	O
is	O
available	O
under	O
the	O
Apache	B-Application
License	I-Application
.	O
</s>
<s>
Apple	O
originally	O
introduced	O
the	O
Bonjour	O
software	O
in	O
August	O
2002	O
as	O
part	O
of	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
10.2	I-Operating_System
under	O
the	O
name	O
"	O
Rendezvous	O
"	O
.	O
</s>
<s>
Tibco	O
had	O
an	O
enterprise	B-Architecture
application	I-Architecture
integration	I-Architecture
product	O
called	O
TIBCO	B-Application
Rendezvous	I-Application
on	O
the	O
market	O
since	O
1994	O
and	O
stated	O
that	O
it	O
had	O
tried	O
to	O
come	O
to	O
an	O
agreement	O
with	O
Apple	O
Computer	O
.	O
</s>
<s>
Bonjour	O
version	O
2.0	O
,	O
released	O
on	O
February	O
24	O
,	O
2010	O
,	O
works	O
with	O
Microsoft	B-Application
Windows	I-Application
2000	O
,	O
2003	O
,	O
XP	O
,	O
Vista	O
,	O
7	O
,	O
8	O
,	O
8.1	O
,	O
10	O
,	O
and	O
11	O
.	O
</s>
<s>
Systems	O
use	O
it	O
primarily	O
to	O
facilitate	O
the	O
installation	O
,	O
configuration	B-General_Concept
,	O
and	O
use	O
of	O
network	O
printers	O
,	O
and	O
thus	O
it	O
runs	O
from	O
startup	O
.	O
</s>
<s>
When	O
Bonjour	O
is	O
fully	O
implemented	O
on	O
Windows	B-Application
,	O
some	O
features	O
—	O
such	O
as	O
iChat	O
—	O
allow	O
for	O
communication	O
between	O
Windows	B-Application
and	O
Mac	B-Application
OS	I-Application
.	O
</s>
<s>
Bonjour	O
for	O
Windows	B-Application
also	O
adds	O
zeroconf	B-Application
capabilities	O
to	O
Internet	B-Application
Explorer	I-Application
,	O
and	O
provides	O
a	O
zeroconf	B-Application
implementation	O
to	O
Java	B-Language
VMs	I-Language
.	O
</s>
<s>
also	O
come	O
bundled	O
with	O
Bonjour	O
to	O
take	O
advantage	O
of	O
zeroconf	B-Application
technology	O
.	O
</s>
<s>
Installers	O
on	O
Windows	B-Application
systems	O
normally	O
place	O
Bonjour	O
files	O
in	O
a	O
folder	O
called	O
"	O
Bonjour	O
"	O
within	O
the	O
"	O
Program	O
Files	O
"	O
folder	O
.	O
</s>
<s>
It	O
modifies	O
Windows	B-Protocol
system-registry	I-Protocol
entries	O
related	O
to	O
internal	O
network	O
configuration	B-General_Concept
and	O
operation	O
.	O
</s>
<s>
A	O
full	O
installation	O
of	O
Bonjour	O
for	O
Windows	B-Application
will	O
include	O
a	O
plug-in	O
for	O
Internet	B-Application
Explorer	I-Application
,	O
a	O
printer	O
wizard	O
,	O
and	O
the	O
network	O
communication	O
services	O
.	O
</s>
<s>
Not	O
all	O
components	O
are	O
included	O
when	O
installed	O
as	O
part	O
of	O
a	O
third-party	O
application	O
or	O
as	O
a	O
component	O
of	O
other	O
Apple	O
software	O
such	O
as	O
iTunes	B-Operating_System
.	O
</s>
<s>
Some	O
VPN	B-Application
clients	I-Application
are	O
configured	O
so	O
that	O
local	B-General_Concept
network	I-General_Concept
services	O
are	O
unavailable	O
to	O
a	O
computer	O
when	O
VPN	B-Application
software	O
is	O
active	O
and	O
connected	O
.	O
</s>
<s>
In	O
such	O
a	O
case	O
no	O
local	O
zeroconf	B-Application
services	O
are	O
available	O
to	O
Bonjour	O
or	O
any	O
other	O
zeroconf	B-Application
implementation	O
.	O
</s>
<s>
In	O
September	O
2008	O
,	O
two	O
security	O
vulnerabilities	O
were	O
found	O
in	O
Bonjour	O
for	O
Windows	B-Application
.	O
</s>
<s>
Certain	O
installations	O
of	O
Bonjour	O
for	O
Windows	B-Application
lack	O
an	O
uninstaller	B-Application
and	O
do	O
not	O
display	O
a	O
human-readable	O
entry	O
in	O
the	O
Windows	B-Application
services	O
listing	O
.	O
</s>
<s>
In	O
32	O
-	O
and	O
64-bit	O
releases	O
of	O
Windows	B-Application
7	O
,	O
some	O
older	O
but	O
still	O
available	O
versions	O
of	O
Bonjour	O
services	O
can	O
disable	O
all	O
network	O
connectivity	O
by	O
adding	O
an	O
entry	O
of	O
0.0.0.0	O
as	O
the	O
default	B-Protocol
gateway	I-Protocol
.	O
</s>
<s>
The	O
open-source	B-Application
IM	B-Application
clients	O
Pidgin	B-Protocol
,	O
Kopete	B-Language
and	O
Adium	B-Protocol
support	O
the	O
Bonjour	O
IM	B-Application
protocol	O
,	O
as	O
does	O
the	O
closed-source	B-Application
Trillian	B-Protocol
client	O
.	O
</s>
<s>
Discovery	O
is	O
a	O
Creative	O
Commons-licensed	O
macOS	B-Application
application	O
that	O
displays	O
all	O
services	O
declared	O
using	O
Bonjour	O
.	O
</s>
<s>
Version	O
1.5.6	O
was	O
the	O
first	O
universal	B-Operating_System
binary	I-Operating_System
release	O
.	O
</s>
<s>
Bonjour	O
Browser	O
was	O
recommended	O
for	O
service	B-Protocol
discovery	I-Protocol
in	O
MacAddict	O
#123	O
.	O
</s>
<s>
A	O
student	O
research	O
project	O
at	O
Columbia	O
University	O
produced	O
a	O
Java-based	O
system	O
to	O
match	O
the	O
functionality	O
of	O
Bonjour	O
Browser	O
,	O
called	O
JBonjourBrowser	B-Language
.	O
</s>
<s>
JBonjourBrowser	B-Language
is	O
open-source	B-Application
and	O
available	O
under	O
the	O
GPL	B-License
.	O
</s>
<s>
JBonjourBrowser	B-Language
was	O
built	O
to	O
emulate	O
the	O
functionality	O
of	O
Bonjour	O
Browser	O
,	O
and	O
at	O
the	O
same	O
time	O
work	O
on	O
multiple	O
platforms	O
.	O
</s>
<s>
A	O
native	O
Windows	B-Application
application	O
offers	O
similar	O
functions	O
to	O
Bonjour	O
Browser	O
for	O
Mac	B-Application
OS	I-Application
.	O
</s>
<s>
Bonjour	O
Browser	O
for	O
Windows	B-Application
is	O
offered	O
for	O
free	O
by	O
Hobbyist	O
Software	O
and	O
HandyDev	O
Software	O
.	O
</s>
