<s>
CrushFTP	O
is	O
a	O
proprietary	B-Application
multi-protocol	O
,	O
multi-platform	O
file	O
transfer	O
server	O
originally	O
developed	O
in	O
1999	O
.	O
</s>
<s>
CrushFTP	O
is	O
shareware	B-License
with	O
a	O
tiered	O
pricing	O
model	O
.	O
</s>
<s>
CrushFTP	O
supports	O
the	O
following	O
protocols	O
:	O
FTP	B-Protocol
,	O
FTPS	B-Protocol
,	O
SFTP	B-Protocol
,	O
HTTP	B-Protocol
,	O
HTTPS	B-Protocol
,	O
WebDAV	B-Protocol
and	O
WebDAV	B-Protocol
SSL	O
.	O
</s>
<s>
Additionally	O
,	O
although	O
not	O
a	O
protocol	O
,	O
it	O
has	O
both	O
AJAX/HTML5	O
and	O
Java	B-Language
applet	O
web	O
interfaces	O
for	O
end	O
users	O
to	O
manage	O
their	O
files	O
from	O
a	O
web	B-Application
browser	I-Application
.	O
</s>
<s>
CrushFTP	O
uses	O
a	O
GUI	B-Application
for	O
administration	O
,	O
but	O
also	O
installs	O
as	O
a	O
daemon	B-Operating_System
on	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
Linux	B-Application
,	O
Unix	B-Application
,	O
and	O
as	O
a	O
service	O
in	O
Windows	B-Application
.	O
</s>
<s>
It	O
supports	O
multihoming	B-Protocol
,	O
multiple	O
websites	O
with	O
distinct	O
branding	O
,	O
hot	O
configuration	O
changes	O
,	O
Attachment	O
redirection	O
,	O
and	O
GUI-based	O
management	O
of	O
users	O
and	O
groups	O
from	O
a	O
browser	B-Application
.	O
</s>
<s>
Plugins	O
are	O
included	O
for	O
authentication	O
against	O
SQL	B-Language
databases	I-Language
,	O
LDAP	B-Protocol
,	O
Active	B-Protocol
Directory	I-Protocol
,	O
and	O
other	O
custom	O
methods	O
.	O
</s>
<s>
All	O
settings	O
are	O
stored	O
in	O
XML	B-Protocol
files	O
that	O
can	O
be	O
edited	O
directly	O
,	O
or	O
with	O
the	O
web	O
UI	O
.	O
</s>
<s>
Initial	O
versions	O
were	O
FTP	B-Protocol
only	O
.	O
</s>
<s>
It	O
supported	O
the	O
ability	O
to	O
merge	O
and	O
mangle	O
several	O
file	O
systems	O
together	O
regardless	O
if	O
they	O
were	O
from	O
local	O
folders	O
,	O
or	O
another	O
FTP	B-Protocol
site	I-Protocol
.	O
</s>
<s>
It	O
could	O
even	O
act	O
as	O
a	O
proxy	O
for	O
other	O
FTP	B-Protocol
servers	I-Protocol
.	O
</s>
<s>
While	O
it	O
still	O
seems	O
to	O
have	O
some	O
support	O
for	O
merging	O
FTP	B-Protocol
sites	I-Protocol
with	O
a	O
local	O
file	O
system	O
,	O
the	O
support	O
seems	O
limited	O
.	O
</s>
<s>
Updates	O
in	O
version	O
4	O
included	O
a	O
full	O
HTTP	B-Application
server	I-Application
as	O
well	O
as	O
the	O
other	O
supported	O
protocols	O
.	O
</s>
<s>
Later	O
updates	O
began	O
recognizing	O
connection	O
differences	O
between	O
web	B-Application
browsers	I-Application
and	O
FTP/SFTP	O
clients	O
,	O
counting	O
four	O
web	B-Application
browser	I-Application
connections	O
as	O
only	O
one	O
user	O
against	O
the	O
licensed	O
limit	O
.	O
</s>
<s>
It	O
used	O
a	O
flash	O
interface	O
briefly	O
before	O
replacing	O
it	O
with	O
a	O
HTML/AJAX	O
interface	O
.	O
</s>
<s>
CrushFTPv5	O
was	O
the	O
last	O
version	O
to	O
still	O
use	O
a	O
thick	O
client	O
Java	B-Language
Swing	O
UI	O
.	O
</s>
<s>
Version	O
6	O
moved	O
to	O
an	O
all	O
web	B-Application
browser	I-Application
UI	O
.	O
</s>
<s>
Its	O
interface	O
is	O
based	O
on	O
jQuery	B-Language
and	O
jQuery	B-Language
UI	I-Language
.	O
</s>
<s>
According	O
to	O
the	O
"	O
what	O
's	O
new	O
"	O
page	O
it	O
adds	O
a	O
dashboard	O
for	O
server	O
information	O
,	O
delegated	O
role	O
based	O
administration	O
,	O
graphical	O
job	O
/	O
event	O
designer	O
,	O
MP4	O
movie	O
streaming	O
support	O
using	O
HTML5	B-Application
,	O
UPnP	O
/	O
PMP	O
port	O
forwarding	O
and	O
automatic	O
external	O
port	O
validation	O
testing	O
,	O
among	O
many	O
other	O
features	O
.	O
</s>
<s>
The	O
"	O
what	O
's	O
new	O
"	O
page	O
lists	O
a	O
new	O
faster	O
HTML5	B-Application
browser	B-Application
uploading	O
system	O
(	O
4x	O
faster	O
)	O
with	O
resume	O
support	O
,	O
a	O
limited	O
filesystem	O
server	O
mode	O
,	O
and	O
data	O
replication	O
as	O
key	O
new	O
features	O
.	O
</s>
<s>
CrushBalance	O
load	O
balancer	O
included	O
for	O
a	O
software	O
based	O
load	O
balancer	O
that	O
can	O
be	O
put	O
in	O
front	O
of	O
the	O
main	O
CrushFTP	B-Protocol
server	I-Protocol
.	O
</s>
<s>
SQL	B-Language
integration	O
to	O
store	O
users	O
and	O
permissions	O
in	O
SQL	B-Language
database	I-Language
tables	O
.	O
</s>
<s>
LDAP	B-Protocol
/	O
Active	B-Protocol
Directory	I-Protocol
authentication	O
integration	O
.	O
</s>
<s>
Supports	O
FTP	B-Protocol
's	O
MODE	O
Z	O
for	O
compressed	O
transfers	O
.	O
</s>
<s>
CrushLDAPGroup	O
authenticates	O
against	O
an	O
LDAP	B-Protocol
servers	O
,	O
including	O
Active	B-Protocol
Directory	I-Protocol
.	O
</s>
<s>
AS2	O
,	O
Copy	O
,	O
Delete	O
,	O
Email	O
,	O
Execute	O
,	O
Find	O
,	O
Jump	O
,	O
HTTP	B-Protocol
,	O
MakeDirectory	O
,	O
Move	O
,	O
PGP	B-Application
,	O
PopImap	O
,	O
Preview	O
,	O
Rename	O
,	O
SQL	B-Language
,	O
Unzip	O
,	O
Wait	O
,	O
WriteFile	O
,	O
Zip	O
and	O
an	O
unknown	O
Custom	O
task	O
.	O
</s>
<s>
Built-in	O
user	O
database	O
consisting	O
of	O
XML	B-Protocol
files	O
describing	O
the	O
user	O
and	O
Virtual	O
File	O
System	O
access	O
.	O
</s>
<s>
Encryption	O
is	O
supported	O
for	O
files	O
"	O
at	O
rest	O
"	O
using	O
PGP	B-Application
,	O
as	O
well	O
as	O
for	O
passwords	O
using	O
an	O
MD5	B-Algorithm
or	O
SHA	O
,	O
SHA512	B-Algorithm
,	O
SHA3	B-Algorithm
,	O
MD4	B-Algorithm
non-reversible	O
hash	O
.	O
</s>
<s>
SFTP	B-Protocol
uses	O
SSH	O
for	O
encryption	O
,	O
and	O
FTPS	B-Protocol
uses	O
SSL/TLS	B-Protocol
for	O
encryption	O
.	O
</s>
<s>
SHA-2	B-Algorithm
hashing	O
algorithms	O
are	O
supported	O
.	O
</s>
