<s>
In	O
computer	B-Architecture
networking	I-Architecture
,	O
promiscuous	B-Protocol
traffic	I-Protocol
,	O
or	O
cross-talking	O
,	O
describes	O
situations	O
where	O
a	O
receiver	O
configured	O
to	O
receive	O
a	O
particular	O
data	O
stream	O
receives	O
that	O
data	O
stream	O
and	O
others	O
.	O
</s>
<s>
Promiscuous	B-Protocol
traffic	I-Protocol
should	O
not	O
be	O
confused	O
with	O
the	O
promiscuous	B-Protocol
mode	I-Protocol
,	O
which	O
is	O
a	O
network	O
card	O
configuration	O
.	O
</s>
<s>
In	O
particular	O
,	O
in	O
multicast	O
socket	B-Protocol
networking	O
,	O
an	O
example	O
of	O
promiscuous	B-Protocol
traffic	I-Protocol
is	O
when	O
a	O
socket	B-Protocol
configured	O
to	O
listen	O
on	O
a	O
specific	O
multicast	O
address	O
group	O
A	O
with	O
a	O
specific	O
port	O
P	O
,	O
noted	O
A:P	O
,	O
receives	O
traffic	O
from	O
A:P	O
but	O
also	O
from	O
another	O
multicast	O
source	O
.	O
</s>
<s>
For	O
instance	O
,	O
a	O
socket	B-Protocol
is	O
configured	O
to	O
receive	O
traffic	O
from	O
the	O
multicast	O
group	O
address	O
234.234.7.70	O
,	O
port	O
36000	O
(	O
noted	O
234.234.7.70:36000	O
)	O
,	O
but	O
receives	O
traffic	O
from	O
both	O
234.234.7.70:36000	O
and	O
234.234.7.71:36000	O
.	O
</s>
<s>
This	O
type	O
of	O
promiscuous	B-Protocol
traffic	I-Protocol
,	O
due	O
to	O
a	O
lack	O
of	O
address	O
filtering	O
,	O
has	O
been	O
a	O
recurring	O
issue	O
with	O
certain	O
Unix	O
and	O
Linux	O
kernels	O
,	O
but	O
has	O
never	O
been	O
reported	O
on	O
Microsoft	O
Windows	O
operating	O
systems	O
post	O
Windows	O
XP	O
.	O
</s>
<s>
Another	O
form	O
of	O
promiscuous	B-Protocol
traffic	I-Protocol
occurs	O
when	O
two	O
different	O
applications	O
happen	O
to	O
listen	O
on	O
the	O
same	O
group	O
address	O
.	O
</s>
<s>
As	O
the	O
former	O
type	O
of	O
promiscuous	B-Protocol
traffic	I-Protocol
(	O
lack	O
of	O
address	O
filtering	O
)	O
can	O
be	O
considered	O
a	O
bug	O
at	O
the	O
operating	O
system	O
level	O
,	O
the	O
latter	O
reflects	O
global	O
configuration	O
issues	O
.	O
</s>
