When using syslog, specify a facility for the access log messages. As an advanced property, you can select a number that corresponds to the facility you wish to use. The default value for the syslog-facility property is 1 (one) for user-level messages. Note that these values are not standard across different types of UNIX or Linux systems. Please consult your particular operating system documentation for properties specific to that system.

Facility Description
0 kernel messages
1 user-level messages (default)
2 mail system
3 system daemons
4 security/authorization messages
5 messages generated internally by syslogd
6 line printer subsystem
7 network news subsystem
8 UUCP subsystem
9 clock daemon
10 security/authorization messages
11 FTP daemon
12 NTP subsystem
13 log audit
14 log alert
15 clock daemon
16 local use 0
17 local use 1
18 local use 2
19 local use 3
20 local use 4
21 local use 5
22 local use 6
23 local use 7