<s>
Rsyslog	B-Protocol
is	O
an	O
open-source	B-Application
software	I-Application
utility	O
used	O
on	O
UNIX	B-Application
and	O
Unix-like	B-Operating_System
computer	O
systems	O
for	O
forwarding	O
log	O
messages	O
in	O
an	O
IP	B-Protocol
network	B-Architecture
.	O
</s>
<s>
It	O
implements	O
the	O
basic	O
syslog	B-Protocol
protocol	O
,	O
extends	O
it	O
with	O
content-based	O
filtering	O
,	O
rich	O
filtering	O
capabilities	O
,	O
queued	O
operations	O
to	O
handle	O
offline	O
outputs	O
,	O
</s>
<s>
support	O
for	O
different	O
module	O
outputs	O
,	O
flexible	O
configuration	O
options	O
and	O
adds	O
features	O
such	O
as	O
using	O
TCP	B-Protocol
for	O
transport	O
.	O
</s>
<s>
The	O
official	O
RSYSLOG	B-Protocol
website	O
defines	O
the	O
utility	O
as	O
"	O
the	O
rocket-fast	O
system	O
for	O
log	O
processing	O
"	O
.	O
</s>
<s>
Rsyslog	B-Protocol
uses	O
the	O
standard	O
BSD	B-Operating_System
syslog	B-Protocol
protocol	O
,	O
specified	O
in	O
RFC	O
3164	O
.	O
</s>
<s>
Rsyslog	B-Protocol
supports	O
many	O
of	O
these	O
extensions	O
.	O
</s>
<s>
The	O
most	O
important	O
extensions	O
of	O
the	O
original	O
protocol	O
supported	O
by	O
rsyslog	B-Protocol
are	O
:	O
</s>
<s>
The	O
rsyslog	B-Protocol
project	O
began	O
in	O
2004	O
,	O
when	O
Rainer	O
Gerhards	O
,	O
the	O
primary	O
author	O
of	O
rsyslog	B-Protocol
,	O
decided	O
to	O
write	O
a	O
new	O
strong	O
syslog	B-Protocol
daemon	O
to	O
compete	O
with	O
syslog-ng	B-Protocol
,	O
because	O
,	O
according	O
to	O
the	O
author	O
,	O
"	O
A	O
new	O
major	O
player	O
will	O
prevent	O
monocultures	O
and	O
provide	O
a	O
rich	O
freedom	O
of	O
choice.	O
"	O
</s>
<s>
Rainer	O
Gerhards	O
worked	O
on	O
rsyslog	B-Protocol
inside	O
his	O
own	O
company	O
,	O
Adiscon	O
GmbH	O
.	O
</s>
