Syslog Cheat Sheet

A cheat sheet in English by Awfki

Syslog levels and Facilities

9,282 views 2,100 downloads 2 Jul 2025 History

Severity

Value
Severity
Keyword
0
Emergency
emerg
1
Alert
alert
2
Critical
crit
3
Error
err
4
Warning
warning
5
Notice
notice
6
Inform­ational
info
7
Debug
debug

Our Local Facilities

local0
local1
local2
local3
local4
local5
local6
local7
Write in what you use each local facility for.

Our Syslog Ports

Switch
Firewall
Router
NAC
Record ports used to allow tools to filter different log formats.

Facility

Facility Code
Keyword
Descri­ption
0
kern
kernel messages
1
user
user-level msgs
2
mail
mail system
3
daemon
system daemons
4
auth
securi­ty/auth msgs
5
syslog
mgs gen'd by syslogd
6
lpr
line printer msgs
7
news
network news msgs
8
uucp
UUCP
9
 
clock daemon
10
authpriv
securi­ty/auth msgs
11
ftp
ftpd
12
 
NTP subsystem
13
 
log audit
14
 
log alert
15
cron
scheduling daemon
16
local0
local use
17
local1
local use
18
local2
local use
19
local3
local use
20
local4
local use
21
local5
local use
22
local6
local use
23
local7
local use

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Cheatography n. The art of mapping complex subjects into clear, instantly navigable reference guides.