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Info

The following Admin Guide describes how enable Remote Syslog and explains its basic configuration.

Created: March 2018

WMS version: 3.88

Permalink: https://confluence.wildix.com/x/aQc8AQ


Table of Contents

Background

Rsyslog is the system for log processing. It can deliver over one million messages per second to local destinations when limited processing is applied. Rsyslog can be able to accept inputs from a wide variety of sources, transform them, and output to the results to diverse destinations.

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To enable remote syslog, go to WMS Settings -> System -> Remote syslog and check the box "Enabled".


Warning

[UDP as a Server Transport on WMS 3.8X]

It is highly recommended to select UDP as a Server Transport in most of the cases.

TCP should be selected only in case the Server is reliable and constantly reachable. Otherwise, TCP packets overfill the network buffer that results in PBX unavailability.


Main rsyslog configuration file is located in /etc/rsyslog.confbut it should not be used for manual configuration.

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Syslog messages can be filtered based on two conditions: facility and priority separated by a dot. You can create your own filters or use the default ones (see below):

  • FACILITY specifies the subsystem that produces a specific syslog message. For example, the mail subsystem handles all mail-related syslog messages. FACILITY can be represented by one of the following keywords (or by a numerical code): kern(0), user (1), mail (2), daemon (3), auth (4), syslog (5), lpr (6), news (7), uucp (8), cron (9), authpriv (10), ftp (11), and local0 through local7 (16 - 23)

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