<s>
dSniff	B-Protocol
is	O
a	O
set	O
of	O
password	O
sniffing	O
and	O
network	O
traffic	O
analysis	O
tools	O
written	O
by	O
security	O
researcher	O
and	O
startup	O
founder	O
Dug	O
Song	O
to	O
parse	O
different	O
application	O
protocols	O
and	O
extract	O
relevant	O
information	O
.	O
</s>
<s>
dsniff	B-Protocol
,	O
filesnarf	O
,	O
mailsnarf	O
,	O
msgsnarf	O
,	O
urlsnarf	O
,	O
and	O
webspy	O
passively	O
monitor	O
a	O
network	O
for	O
interesting	O
data	O
(	O
passwords	O
,	O
e-mail	O
,	O
files	O
,	O
etc	O
.	O
)	O
.	O
</s>
<s>
arpspoof	B-Protocol
,	O
dnsspoof	O
,	O
and	O
macof	O
facilitate	O
the	O
interception	O
of	O
network	O
traffic	O
normally	O
unavailable	O
to	O
an	O
attacker	O
(	O
e.g.	O
,	O
due	O
to	O
layer-2	O
switching	O
)	O
.	O
</s>
<s>
sshmitm	O
and	O
webmitm	O
implement	O
active	O
man-in-the-middle	O
attacks	O
against	O
redirected	O
SSH	B-Protocol
and	O
HTTPS	B-Protocol
sessions	O
by	O
exploiting	O
weak	O
bindings	O
in	O
ad-hoc	O
PKI	O
.	O
</s>
<s>
As	O
the	O
name	O
implies	O
,	O
dsniff	B-Protocol
is	O
a	O
network	O
sniffer	B-Protocol
,	O
but	O
it	O
can	O
also	O
be	O
used	O
to	O
disrupt	O
the	O
normal	O
behavior	O
of	O
switched	B-Protocol
networks	O
and	O
cause	O
network	O
traffic	O
from	O
other	O
hosts	O
on	O
the	O
same	O
network	O
segment	O
to	O
be	O
visible	O
,	O
not	O
just	O
traffic	O
involving	O
the	O
host	O
dsniff	B-Protocol
is	O
running	O
on	O
.	O
</s>
<s>
It	O
handles	O
FTP	B-Protocol
,	O
Telnet	B-Protocol
,	O
SMTP	B-Protocol
,	O
HTTP	B-Protocol
,	O
POP	B-Protocol
,	O
poppass	O
,	O
NNTP	B-Protocol
,	O
IMAP	B-Protocol
,	O
SNMP	B-Protocol
,	O
LDAP	B-Protocol
,	O
Rlogin	B-Application
,	O
RIP	B-Protocol
,	O
OSPF	B-Protocol
,	O
PPTP	B-Protocol
MS-CHAP	B-Protocol
,	O
NFS	B-Protocol
,	O
VRRP	B-Protocol
,	O
YP/NIS	B-Operating_System
,	O
SOCKS	B-Application
,	O
X11	B-Operating_System
,	O
CVS	B-Application
,	O
IRC	B-Protocol
,	O
AIM	B-Protocol
,	O
ICQ	B-Protocol
,	O
Napster	B-Application
,	O
PostgreSQL	B-Application
,	O
Meeting	B-Application
Maker	I-Application
,	O
Citrix	B-Protocol
ICA	I-Protocol
,	O
Symantec	B-Protocol
pc	I-Protocol
Anywhere	I-Protocol
,	O
NAI	O
Sniffer	B-Protocol
,	O
Microsoft	O
SMB	B-Operating_System
,	O
Oracle	B-General_Concept
SQL*Net	B-General_Concept
,	O
Sybase	B-Application
and	O
Microsoft	B-Application
SQL	I-Application
protocols	O
.	O
</s>
<s>
The	O
name	O
"	O
dsniff	B-Protocol
"	O
refers	O
both	O
to	O
the	O
package	O
as	O
well	O
as	O
an	O
included	O
tool	O
.	O
</s>
<s>
The	O
"	O
dsniff	B-Protocol
"	O
tool	O
decodes	O
passwords	O
sent	O
in	O
cleartext	O
across	O
a	O
switched	B-Protocol
or	O
unswitched	O
Ethernet	O
network	O
.	O
</s>
<s>
Its	O
man	B-Protocol
page	I-Protocol
explains	O
that	O
Dug	O
Song	O
wrote	O
dsniff	B-Protocol
with	O
"	O
honest	O
intentions	O
-	O
to	O
audit	O
my	O
own	O
network	O
,	O
and	O
to	O
demonstrate	O
the	O
insecurity	O
of	O
cleartext	O
network	O
protocols.	O
"	O
</s>
<s>
/etc/dsniff/dnsspoof.hosts	O
Sample	O
hosts	O
file	O
.	O
</s>
<s>
The	O
man	B-Protocol
page	I-Protocol
for	O
dsniff	B-Protocol
explains	O
all	O
the	O
flags	O
.	O
</s>
<s>
To	O
learn	O
more	O
about	O
using	O
dsniff	B-Protocol
,	O
you	O
can	O
explore	O
the	O
Linux	O
man	B-Protocol
page	I-Protocol
.	O
</s>
<s>
This	O
is	O
a	O
list	O
of	O
descriptions	O
for	O
the	O
various	O
dsniff	B-Protocol
programs	O
.	O
</s>
<s>
dsniff	B-Protocol
“	O
README	O
”	O
written	O
by	O
the	O
author	O
,	O
Dug	O
Song	O
.	O
</s>
