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P-2612HNU-Fx User’s Guide
247
CHAPTER 21
Logs
21.1 Overview
The web configurator allows you to choose which categories of events and/or
alerts to have the ZyXEL Device log and then display the logs or have the ZyXEL
Device send them to an administrator (as e-mail) or to a syslog server.
Note: The ZyXEL Device’s log feature is only for Voice over IP (VoIP).
21.1.1 What You Can Do in this Chapter
•Use the View Log screen (Section 21.2 on page 248) to see the logs for the
categories that you selected in the Log Settings screen.
•Use The Log Settings screen (Section 21.3 on page 249) to configure where
the ZyXEL Device sends logs and which logs and/or immediate alerts the ZyXEL
Device records.
21.1.2 What You Need To Know
The following terms and concepts may help as you read this chapter.
Alerts and Logs
An alert is a type of log that warrants more serious attention. They include system
errors, attacks (access control) and attempted access to blocked web sites. Some
categories such as System Errors consist of both logs and alerts. You may
differentiate them by their color in the View Log screen. Alerts display in red and
logs display in black.
Syslog Overview
The syslog protocol allows devices to send event notification messages across an
IP network to syslog servers that collect the event messages. A syslog-enabled
device can generate a syslog message and send it to a syslog server.
Syslog is defined in RFC 3164. The RFC defines the packet format, content and
system log related information of syslog messages. Each syslog message has a