Syslog

El campo facility procura identificar al programa que originó el mensaje, mientras que el campo level busca clasificar el nivel de importancia o severidad del mismo.

Niveles de log

Emergency: Event logs, specifically administrative events, can generate an emergency severity level. This level indicates the system has become unstable.

Alert: Attack logs are the only logs that generate an alert severity level. This level indicates that immediate action is required.

Critical: This level is generated by event, antivirus, and spam filter logs and indicates that functionality is affected.

Error: This level is generated by event and spam filter logs and indicates that an error condition exists and functionality could be affected.

Warning: This level is generated by event and antivirus logs and indicates that functionality could be affected.

Notification: This level is generated by traffic and web filter logs and indicates information about normal events.

Information: This level is generated by content archive, event and spam

Debug:

Facility

facility value	severity value
local 0	16	System unusable	0
local 1	17	Immediate action required	1
local 2	18	Critical condition	2
local 3	19	Error conditions	3
local 4	20	Warning conditions	4
local 5	21	Normal but significant conditions	5
local 6	22	Informational messages	6
local 7	23	Debugging messages	7