Log Setting
Log Setting
Use this screen to configure where the Zyxel Device sends logs, and which type of logs the Zyxel Device records.
If you have a server that is running a syslog service, you can also save log files to it by enabling Syslog Logging, and then entering the IP address of the server in the Syslog Server field. Select Remote to store logs on the syslog server, or select Local File to store logs on the Zyxel Device. Select Local File and Remote to store logs on both the Zyxel Device and the syslog server. To change your Zyxel Device’s log settings, click Maintenance > Log Setting. The screen appears as shown.
Maintenance > Log Setting
The following table describes the fields in this screen.
Maintenance > Log Setting 
LABEL
Description
Syslog Settings
Syslog Logging
Slide the switch to the right to enable syslog logging.
Mode
Select Remote to have the Zyxel Device send it to an external syslog server.
Select Local File to have the Zyxel Device save the log file on the Zyxel Device itself.
Select Local File and Remote to have the Zyxel Device save the log file on the Zyxel Device itself and send it to an external syslog server.
*A warning appears upon selecting Remote or Local File and Remote. Just click OK to continue.
Syslog Server
Enter the server name or IP address of the syslog server that will log the selected categories of logs.
UDP Port
Enter the port number used by the syslog server.
Enable Syslog over TLS
Use Syslog over TLS to securely send logs from the Zyxel Device to the syslog server using TLS encryption.
On the Zyxel Device, first generate a certificate for syslog authentication of the Zyxel Device. The CN (Certificate Name) must match the IP address of the Zyxel Device's interface to the syslog server. Go to Certificates > Local CA and import a certificate for syslog authentication. This is required.
Local Certificate Used by Syslog Client
Optionally, the Syslog server may also request a certificate from the Zyxel Device for mutual authentication. Go to Certificates > Local Certificate and import a Zyxel Device certificate that the syslog server can use to verify the Zyxel Device.
E-mail Log Settings
E-mail Log Settings
Slide the switch to the right to allow the sending through email the system and security logs to the email address specified in Send Log to.
*Make sure that the Mail Server Address field is not left blank in the Maintenance > E-mail Notifications screen.
Mail Account
Select a server specified in Maintenance > E-mail Notifications to send the logs to.
System Log Mail Subject
This field allows you to enter a descriptive name for the system log email (for example Zyxel System Log). Up to 127 printable characters are allowed for the System Log Mail Subject including special characters inside the square brackets [!#%()*+,–./:=?@[]\{}~].
Security Log Mail Subject
This field allows you to enter a descriptive name for the security log email (for example Zyxel Security Log). Up to 127 printable characters are allowed for the Security Log Mail Subject including special characters inside the square brackets [!#%()*+,–./:=?@[]\{}~].
Send Log to
This field allows you to enter the log’s designated email recipient. The log’s format is plain text file sent as an email attachment.
Send Alarm to
This field allows you to enter the alarm’s designated e-mail recipient. The alarm’s format is plain text file sent as an email attachment.
Alarm Interval
Select the frequency of showing of the alarm.
Active Log
System Log
Select the categories of System Logs that you want to record.
Security Log
Select the categories of Security Logs that you want to record.
Apply
Click Apply to save your changes.
Cancel
Click Cancel to restore your previously saved settings.
Example Email Log
An ‘End of Log’ message displays for each mail in which a complete log has been sent. The following is an example of a log sent by email.
You may edit the subject title.
The date format here is Day-Month-Year.
The date format here is Month-Day-Year. The time format is Hour-Minute-Second.
End of Log message shows that a complete log has been sent.
Email Log Example