<s>
Security	B-Protocol
Administrator	I-Protocol
Tool	I-Protocol
for	I-Protocol
Analyzing	I-Protocol
Networks	I-Protocol
(	O
SATAN	B-Protocol
)	O
was	O
a	O
free	O
software	O
vulnerability	O
scanner	O
for	O
analyzing	O
networked	O
computers	O
.	O
</s>
<s>
SATAN	B-Protocol
captured	O
the	O
attention	O
of	O
a	O
broad	O
technical	O
audience	O
,	O
appearing	O
in	O
PC	O
Magazine	O
and	O
drawing	O
threats	O
from	O
the	O
United	O
States	O
Department	O
of	O
Justice	O
.	O
</s>
<s>
For	O
those	O
offended	O
by	O
the	O
name	O
SATAN	B-Protocol
,	O
the	O
software	O
contained	O
a	O
special	O
command	O
called	O
repent	O
,	O
which	O
rearranged	O
the	O
letters	O
in	O
the	O
program	O
's	O
acronym	O
from	O
"	O
SATAN	B-Protocol
"	O
to	O
"	O
SANTA	O
"	O
.	O
</s>
<s>
Neil	O
Gaiman	O
drew	O
the	O
for	O
the	O
SATAN	B-Protocol
documentation	O
.	O
</s>
<s>
SATAN	B-Protocol
was	O
designed	O
to	O
help	O
systems	O
administrators	O
automate	O
the	O
process	O
of	O
testing	O
their	O
systems	O
for	O
known	O
vulnerabilities	O
that	O
can	O
be	O
exploited	O
via	O
the	O
network	O
.	O
</s>
<s>
SATAN	B-Protocol
was	O
written	O
mostly	O
in	O
Perl	B-Language
and	O
utilized	O
a	O
web	B-Application
browser	I-Application
such	O
as	O
Netscape	O
,	O
Mosaic	O
or	O
Lynx	O
to	O
provide	O
the	O
user	O
interface	O
.	O
</s>
<s>
As	O
well	O
as	O
reporting	O
the	O
presence	O
of	O
vulnerabilities	O
,	O
SATAN	B-Protocol
also	O
gathered	O
large	O
amounts	O
of	O
general	O
network	O
information	O
,	O
such	O
as	O
which	O
hosts	O
are	O
connected	O
to	O
subnets	O
,	O
what	O
types	O
of	O
machines	O
they	O
are	O
and	O
which	O
services	O
they	O
offered	O
.	O
</s>
<s>
SATAN	B-Protocol
has	O
fallen	O
from	O
popularity	O
after	O
the	O
height	O
of	O
its	O
popularity	O
in	O
the	O
1990s	O
.	O
</s>
<s>
SATAN	B-Protocol
was	O
released	O
in	O
1995	O
and	O
development	O
has	O
ceased	O
.	O
</s>
<s>
Results	O
suggest	O
that	O
SATAN	B-Protocol
has	O
been	O
replaced	O
by	O
nmap	B-Language
,	O
Nessus	B-Protocol
and	O
to	O
a	O
lesser	O
degree	O
SARA	O
(	O
Security	O
Auditor	O
's	O
Research	O
Assistant	O
)	O
,	O
and	O
SAINT	B-Protocol
.	O
</s>
