<s>
Endian	B-Protocol
Firewall	I-Protocol
is	O
an	O
open-source	B-Application
router	B-Protocol
,	O
firewall	B-Application
and	O
gateway	O
security	O
Linux	B-Application
distribution	I-Application
developed	O
by	O
the	O
South	O
Tyrolean	O
company	O
Endian	O
.	O
</s>
<s>
Endian	B-Protocol
Firewall	I-Protocol
is	O
a	O
Linux	B-Application
security	O
distribution	B-Application
,	O
which	O
is	O
an	O
independent	O
,	O
security	O
management	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
The	O
system	O
is	O
installed	O
on	O
a	O
PC	O
using	O
a	O
boot	O
CD	O
and	O
can	O
be	O
operated	O
without	O
a	O
monitor	O
through	O
its	O
online	O
interface	O
or	O
via	O
a	O
keyboard	O
in	O
a	O
command-line	B-Application
interface	I-Application
.	O
</s>
<s>
The	O
main	O
task	O
of	O
Endian	B-Protocol
Firewall	I-Protocol
is	O
as	O
a	O
gateway	O
,	O
router	B-Protocol
and	O
firewall	B-Application
,	O
and	O
can	O
act	O
as	O
a	O
proxy	B-Application
for	O
web	O
,	O
email	O
,	O
FTP	B-Protocol
,	O
SIP	O
and	O
DNS	B-Protocol
.	O
</s>
<s>
Up	O
to	O
four	O
different	O
networks	O
(	O
dependent	O
on	O
the	O
number	O
of	O
network	B-Protocol
cards	I-Protocol
installed	O
in	O
the	O
host	O
PC	O
)	O
can	O
be	O
managed	O
.	O
</s>
<s>
Orange	O
Network	O
:	O
Part	O
Safe	O
Demilitarized	B-General_Concept
Zone	I-General_Concept
(	O
DMZ	B-General_Concept
)	O
.	O
</s>
<s>
This	O
includes	O
devices	O
that	O
operate	O
their	O
own	O
server	O
and	O
must	O
be	O
accessible	O
over	O
the	O
Internet	O
,	O
such	O
as	O
Web	O
or	O
FTP	B-Protocol
servers	O
.	O
</s>
<s>
Endian	B-Protocol
Firewall	I-Protocol
includes	O
support	O
for	O
load	B-Application
balancing	I-Application
,	O
which	O
means	O
you	O
can	O
add	O
another	O
connection	O
to	O
the	O
Internet	O
from	O
the	O
red	O
network	O
.	O
</s>
<s>
Endian	B-Protocol
Firewall	I-Protocol
then	O
distributes	O
the	O
network	O
load	O
on	O
both	O
network	B-Protocol
interface	I-Protocol
controllers	I-Protocol
.	O
</s>
<s>
The	O
commercial	O
version	O
can	O
be	O
purchased	O
either	O
as	O
a	O
standalone	O
software	O
(	O
the	O
product	O
is	O
called	O
Endian	O
or	O
simply	O
Endian	O
UTM	O
Software	O
)	O
in	O
order	O
to	O
install	O
them	O
on	O
their	O
own	O
PCs	O
,	O
as	O
well	O
as	O
in	O
the	O
form	O
of	O
finished	O
Out	B-General_Concept
of	I-General_Concept
the	I-General_Concept
Box	I-General_Concept
firewalls	B-Application
,	O
with	O
special	O
hardware	O
on	O
which	O
the	O
software	O
is	O
preinstalled	O
.	O
</s>
<s>
Both	O
the	O
free	O
Endian	B-Protocol
Firewall	I-Protocol
Community	O
and	O
the	O
commercial	O
Endian	O
UTM	O
Software	O
are	O
tailored	O
for	O
installation	O
on	O
your	O
own	O
hardware	O
.	O
</s>
<s>
The	O
Endian	B-Protocol
Firewall	I-Protocol
Community	O
is	O
licensed	O
under	O
the	O
GPL	B-License
and	O
is	O
therefore	O
open	B-Application
source	I-Application
software	I-Application
that	O
can	O
be	O
downloaded	O
for	O
free	O
.	O
</s>
<s>
Endian	B-Protocol
Firewall	I-Protocol
is	O
a	O
fork	B-Application
of	O
the	O
Linux	B-Application
firewall	B-Application
IPCop	O
,	O
which	O
in	O
turn	O
is	O
a	O
fork	B-Application
of	O
SmoothWall	B-Protocol
.	O
</s>
<s>
Newer	O
versions	O
have	O
been	O
based	O
initially	O
on	O
Linux	B-Application
From	O
Scratch	O
and	O
from	O
version	O
2.2	O
to	O
RHEL	O
,	O
or	O
on	O
CentOS	O
.	O
</s>
<s>
With	O
the	O
upcoming	O
version	O
3.0	O
,	O
Endian	B-Protocol
Firewall	I-Protocol
is	O
virtually	O
"	O
Smoothwall-	O
"	O
and	O
"	O
IPCop-free	O
"	O
.	O
</s>
<s>
The	O
greatest	O
difference	O
from	O
IPCop	O
is	O
that	O
the	O
Endian	B-Protocol
Firewall	I-Protocol
is	O
not	O
merely	O
a	O
pure	O
router-firewall	O
combination	O
,	O
but	O
a	O
comprehensive	O
gateway	O
security	O
solution	O
(	O
Unified	O
Threat	O
Management	O
)	O
.	O
</s>
<s>
For	O
this	O
,	O
a	O
virus	B-Application
scanner	I-Application
and	O
a	O
spam	O
blocker	O
have	O
been	O
firmly	O
integrated	O
into	O
the	O
distribution	B-Application
.	O
</s>
<s>
This	O
allows	O
the	O
transport	O
of	O
HTTP	B-Protocol
,	O
FTP	B-Protocol
,	O
POP3	B-Protocol
and	O
SMTP	B-Protocol
scanned	O
in	O
real-time	B-General_Concept
and	O
optionally	O
filtered	O
.	O
</s>
<s>
Concerning	O
the	O
business	O
model	O
,	O
Endian	O
is	O
different	O
to	O
its	O
origins	O
in	O
SmoothWall	B-Protocol
and	O
IPCop	O
as	O
follows	O
:	O
</s>
<s>
SmoothWall	B-Protocol
:	O
a	O
commercial	O
version	O
is	O
developed	O
by	O
SmoothWall	B-Protocol
Ltd	O
and	O
a	O
free	O
version	O
by	O
a	O
community	O
of	O
volunteers	O
.	O
</s>
<s>
This	O
policy	O
was	O
the	O
reason	O
for	O
the	O
forking	O
of	O
Smoothwall	B-Protocol
and	O
community	O
development	O
of	O
IPCop	O
.	O
</s>
<s>
Endian	B-Protocol
Firewall	I-Protocol
:	O
Friendly	O
refinement	O
of	O
IPCop	O
with	O
the	O
aim	O
to	O
expand	O
the	O
software	O
functions	O
to	O
create	O
a	O
comprehensive	O
security	O
gateway	O
software	O
.	O
</s>
<s>
As	O
with	O
SmoothWall	B-Protocol
,	O
Endian	B-Protocol
Firewall	I-Protocol
also	O
includes	O
features	O
in	O
the	O
commercial	O
version	O
functions	O
that	O
are	O
missing	O
from	O
the	O
free	O
community	O
version	O
.	O
</s>
<s>
The	O
Endian	B-Protocol
Firewall	I-Protocol
is	O
part	O
of	O
c't-Debian-Server	O
Version	O
4	O
(	O
published	O
by	O
August	O
2009	O
)	O
and	O
this	O
was	O
already	O
2007	O
.	O
</s>
<s>
In	O
July	O
2005	O
,	O
the	O
Endian	B-Protocol
firewall	I-Protocol
was	O
OSDir	O
elected	O
Project	O
of	O
the	O
Week	O
.	O
</s>
<s>
The	O
Linux	B-Application
Magazine	O
09/2008	O
has	O
Endian	B-Protocol
Firewall	I-Protocol
UTM	O
Appliances	O
2.2	O
and	O
tested	O
the	O
system	O
to	O
certify	O
a	O
test	O
result	O
in	O
the	O
upper	O
middle	O
of	O
comparable	O
products	O
.	O
</s>
