<s>
Smoothwall	B-Protocol
(	O
formerly	O
styled	O
as	O
SmoothWall	B-Protocol
)	O
is	O
a	O
Linux	B-Application
distribution	I-Application
designed	O
to	O
be	O
used	O
as	O
an	O
open	B-Application
source	I-Application
firewall	B-Application
.	O
</s>
<s>
Smoothwall	B-Protocol
is	O
configured	O
via	O
a	O
web-based	O
GUI	B-Application
and	O
requires	O
little	O
or	O
no	O
knowledge	O
of	O
Linux	B-Operating_System
to	O
install	O
or	O
use	O
.	O
</s>
<s>
Smoothwall	B-Protocol
is	O
also	O
a	O
private	O
software	O
company	O
based	O
in	O
the	O
UK	O
who	O
specializes	O
in	O
the	O
development	O
of	O
web	O
content	O
filtering	O
,	O
safeguarding	O
and	O
internet	O
security	O
solutions	O
,	O
which	O
also	O
maintains	O
the	O
SmoothWall	B-Protocol
open	B-Application
source	I-Application
project	O
.	O
</s>
<s>
Smoothwall	B-Protocol
began	O
life	O
as	O
Smoothwall	B-Protocol
GPL	O
,	O
a	O
freely	O
redistributable	O
open	B-Application
source	I-Application
version	O
.	O
</s>
<s>
In	O
August	O
2000	O
,	O
with	O
a	O
proprietary	B-Application
version	O
sold	O
by	O
Smoothwall	B-Protocol
LTD	O
from	O
November	O
2001	O
.	O
</s>
<s>
Smoothwall	B-Protocol
still	O
maintains	O
its	O
open	B-Application
source	I-Application
roots	O
with	O
Smoothwall	B-Protocol
Express	O
still	O
available	O
today	O
(	O
latest	O
release	O
V3.1	O
in	O
2014	O
)	O
,	O
however	O
the	O
main	O
Smoothwall	B-Protocol
solution	O
is	O
now	O
paid	O
for	O
and	O
is	O
in	O
use	O
by	O
millions	O
of	O
users	O
worldwide	O
in	O
both	O
the	O
public	O
and	O
private	O
sector	O
.	O
</s>
<s>
Smoothwall	B-Protocol
's	O
filtering	O
and	O
safeguarding	O
products	O
are	O
typically	O
sold	O
into	O
educational	O
organisations	O
and	O
businesses	O
.	O
</s>
<s>
In	O
2017	O
,	O
Smoothwall	B-Protocol
announced	O
a	O
management	O
buyout	O
backed	O
by	O
private	O
equity	O
fund	O
,	O
Tenzing	O
.	O
</s>
<s>
Georg	O
was	O
joined	O
by	O
existing	O
Board	O
members	O
Gavin	O
Logan	O
,	O
Douglas	O
Hanley	O
and	O
Manprit	O
Randhawan	O
in	O
the	O
management	O
of	O
the	O
Smoothwall	B-Protocol
business	O
,	O
along	O
with	O
Lisa	O
Stone	O
,	O
who	O
took	O
the	O
position	O
as	O
chairperson	O
.	O
</s>
<s>
On	O
5	O
August	O
2021	O
,	O
Tenzing	O
announced	O
they	O
had	O
agreed	O
to	O
sell	O
their	O
investment	O
in	O
Smoothwall	B-Protocol
to	O
Australian	O
security	O
firm	O
Family	O
Zone	O
Cyber	O
Safety	O
for	O
£75.5	O
million	O
(	O
A$142m	O
cash	O
consideration	O
.	O
</s>
<s>
Smoothwall	B-Protocol
Express	O
,	O
originally	O
Smoothwall	B-Protocol
GPL	O
,	O
is	O
the	O
freely	O
distributable	O
version	O
of	O
Smoothwall	B-Protocol
,	O
developed	O
by	O
the	O
Smoothwall	B-Protocol
Open	B-Application
Source	I-Application
Project	O
team	O
and	O
members	O
of	O
Smoothwall	B-Protocol
Ltd	O
.	O
</s>
<s>
Released	O
in	O
August	O
2000	O
,	O
Smoothwall	B-Protocol
GPL	O
was	O
developed	O
by	O
Lawrence	O
Manning	O
and	O
Richard	O
Morrell	O
to	O
provide	O
a	O
quick	O
and	O
easy-to-use	O
solution	O
to	O
the	O
problem	O
of	O
sharing	O
their	O
ISDN	B-Protocol
connections	O
with	O
the	O
rest	O
of	O
their	O
LAN	B-General_Concept
.	O
</s>
<s>
Created	O
using	O
Red	O
Hat	O
Linux	B-Operating_System
,	O
Smoothwall	B-Protocol
GPL	O
originally	O
had	O
two	O
simple	O
functions	O
:	O
control	O
the	O
modem	O
to	O
dial	O
and	O
hang	O
up	O
,	O
and	O
to	O
route	O
TCP/IP	B-Protocol
packets	O
from	O
the	O
LAN	B-General_Concept
to	O
the	O
Internet	O
connection	O
,	O
and	O
back	O
again	O
.	O
</s>
<s>
The	O
LAN	B-General_Concept
was	O
hidden	O
from	O
the	O
public	O
network	O
by	O
NAT	B-Protocol
,	O
applied	O
using	O
ipchains	B-Application
.	O
</s>
<s>
Beginning	O
with	O
0.9	O
in	O
August	O
2000	O
,	O
the	O
Smoothwall	B-Protocol
GPL	O
0.9.x	O
series	O
went	O
through	O
several	O
versions	O
based	O
on	O
the	O
2.2	O
Linux	B-Operating_System
kernel	I-Operating_System
,	O
culminating	O
in	O
0.9.9	O
SE	O
in	O
December	O
2001	O
,	O
which	O
was	O
probably	O
the	O
most	O
popular	O
GPL	O
release	O
.	O
</s>
<s>
Each	O
release	O
led	O
to	O
a	O
number	O
of	O
improvements	O
,	O
including	O
PAT	O
(	O
port	O
address	O
translation	O
)	O
,	O
DMZ	B-General_Concept
,	O
PSTN	O
and	O
ISDN	B-Protocol
dial-up	O
support	B-General_Concept
,	O
broadband	O
(	O
ADSL	O
and	O
Cable	B-Device
)	O
support	B-General_Concept
.	O
</s>
<s>
Smoothwall	B-Protocol
GPL	O
1.0	O
was	O
released	O
in	O
December	O
2002	O
,	O
including	O
all	O
previously	O
released	O
patches	O
and	O
security	O
fixes	O
,	O
and	O
ended	O
development	O
of	O
the	O
0.9.x/1.0	O
series	O
,	O
although	O
it	O
was	O
supported	O
by	O
errata	O
updates	O
for	O
another	O
year	O
and	O
a	O
half	O
.	O
</s>
<s>
In	O
late	O
2001	O
,	O
Manning	O
and	O
Morrell	O
,	O
with	O
George	O
Lungley	O
,	O
formed	O
Smoothwall	B-Protocol
Limited	O
as	O
a	O
UK	O
registered	O
private	O
limited	O
company	O
,	O
company	O
number	O
04298247	O
.	O
</s>
<s>
The	O
company	O
was	O
formed	O
to	O
take	O
the	O
open	B-Application
source	I-Application
software	I-Application
and	O
commercialise	O
it	O
,	O
by	O
expanding	O
the	O
software	O
to	O
include	O
corporate	O
and	O
enterprise	O
oriented	O
functionality	O
,	O
and	O
to	O
provide	O
dedicated	O
support	B-General_Concept
staff	O
for	O
customers	O
to	O
contact	O
.	O
</s>
<s>
Now	O
based	O
in	O
Yarfort	O
,	O
with	O
a	O
USA	O
office	O
in	O
Charlotte	O
,	O
North	O
Carolina	O
,	O
the	O
company	O
has	O
continued	O
to	O
develop	O
the	O
commercial	O
,	O
closed	B-Application
source	I-Application
Smoothwall	B-Protocol
product	O
range	O
,	O
while	O
moving	O
from	O
its	O
initial	O
direct	O
sales	O
model	O
to	O
a	O
reseller	O
,	O
channel-based	O
sales	O
model	O
.	O
</s>
<s>
Smoothwall	B-Protocol
Server	O
Edition	O
was	O
the	O
first	O
product	O
from	O
Smoothwall	B-Protocol
Ltd.	O
,	O
released	O
on	O
11	O
November	O
2001	O
.	O
</s>
<s>
It	O
was	O
essentially	O
Smoothwall	B-Protocol
GPL	O
0.9.9	O
with	O
support	B-General_Concept
included	O
from	O
the	O
company	O
.	O
</s>
<s>
This	O
was	O
as	O
were	O
virtually	O
all	O
future	O
products	O
made	O
available	O
to	O
purchase	O
on	O
CD-ROM	B-Device
directly	O
from	O
Smoothwall	B-Protocol
Ltd	O
.	O
by	O
mail	O
order	O
.	O
</s>
<s>
Initially	O
announced	O
in	O
January	O
2002	O
,	O
and	O
priced	O
at	O
£30	O
,	O
but	O
never	O
released	O
,	O
Smoothwall	B-Protocol
Home	O
Server	O
was	O
an	O
aborted	O
attempt	O
to	O
tap	O
into	O
the	O
home	O
and	O
residential	O
market	O
.	O
</s>
<s>
It	O
used	O
the	O
open	B-Application
source	I-Application
platform	I-Application
again	O
as	O
a	O
base	O
but	O
included	O
SmoothGuard	O
,	O
and	O
would	O
have	O
permitted	O
customers	O
to	O
make	O
email	O
support	B-General_Concept
requests	O
directly	O
from	O
Smoothwall	B-Protocol
Ltd	O
.	O
</s>
<s>
Released	O
on	O
17	O
December	O
2001	O
,	O
Smoothwall	B-Protocol
Corporate	O
Server	O
1.0	O
was	O
the	O
first	O
in	O
a	O
long	O
line	O
of	O
separate	O
,	O
closed	B-Application
source	I-Application
releases	O
from	O
Smoothwall	B-Protocol
Ltd	O
.	O
Forked	O
from	O
Smoothwall	B-Protocol
GPL	O
0.9.9SE	O
,	O
Corporate	O
Server	O
included	O
additional	O
features	O
such	O
as	O
SCSI	B-Architecture
support	B-General_Concept
,	O
and	O
the	O
capability	O
to	O
increase	O
functionality	O
via	O
add-on	O
modules	O
.	O
</s>
<s>
These	O
modules	O
included	O
SmoothGuard	O
(	O
content	O
filtering	O
proxy	O
)	O
,	O
SmoothZone	O
(	O
multiple	O
DMZ	B-General_Concept
)	O
and	O
SmoothTunnel	O
(	O
advanced	O
VPN	O
features	O
)	O
.	O
</s>
<s>
Further	O
modules	O
have	O
been	O
released	O
over	O
time	O
,	O
each	O
providing	O
a	O
particular	O
set	O
of	O
functionality	O
,	O
such	O
as	O
traffic	O
shaping	O
,	O
and	O
email	O
anti-virus	B-Application
and	O
anti-spam	O
.	O
</s>
<s>
After	O
Daniel	B-Application
Barron	I-Application
,	O
author	O
of	O
DansGuardian	B-Application
,	O
joined	O
the	O
company	O
in	O
April	O
2002	O
,	O
a	O
variant	O
of	O
Corporate	O
Server	O
called	O
Smoothwall	B-Protocol
Corporate	O
Guardian	O
was	O
released	O
,	O
integrating	O
a	O
fork	O
of	O
DansGuardian	B-Application
called	O
SmoothGuardian	B-Application
.	O
</s>
<s>
SmoothGuardian	B-Application
was	O
also	O
made	O
available	O
as	O
a	O
stand-alone	O
module	O
for	O
Corporate	O
Server	O
customers	O
,	O
replacing	O
the	O
Smooth-Guard	O
module	O
.	O
</s>
<s>
School	O
guardian	O
was	O
created	O
as	O
a	O
variant	O
of	O
corporate	O
guardian	O
,	O
adding	O
Active	O
Directory/LDAP	O
authentication	O
support	B-General_Concept
and	O
firewall	B-Application
features	O
in	O
a	O
package	O
designed	O
specifically	O
for	O
use	O
in	O
schools	O
.	O
</s>
<s>
When	O
released	O
on	O
13	O
June	O
2005	O
,	O
version	O
4	O
of	O
Corporate	O
Server	O
was	O
renamed	O
to	O
Corporate	O
Firewall	B-Application
.	O
</s>
<s>
Released	O
on	O
9	O
May	O
2005	O
,	O
Smoothwall	B-Protocol
Advanced	O
Firewall	B-Application
targeted	O
the	O
enterprise	O
market	O
directly	O
by	O
bundling	O
Corporate	O
Server	O
with	O
all	O
available	O
add-on	O
modules	O
,	O
and	O
adding	O
further	O
functionality	O
,	O
including	O
Active	B-Protocol
Directory	I-Protocol
,	O
eDirectory	B-Application
&	O
LDAP	B-Protocol
authentication	O
and	O
the	O
capability	O
to	O
use	O
up	O
to	O
20	O
network	O
interfaces	O
with	O
external	O
connection	O
load	O
balancing	O
.	O
</s>
<s>
The	O
UTM-1000	O
came	O
pre-installed	O
with	O
a	O
variant	O
of	O
Smoothwall	B-Protocol
Advanced	O
Firewall	B-Application
.	O
</s>
