I had same question in past and following worked for me. I did not find property of syslog appender where TAG can be specified. Formatting the message with square bracket in it containing the text you want to put as TAG can do the job. e.g. you can configure your Syslog appender as: <appender name="SYSLOG-USER" class="ch.qos.logback.classic.net.SyslogAppender"> <SyslogHost>${syslog.host}</SyslogHost> <port>${syslog.port}</port> <Facility>USER</Facility> <SuffixPattern>[ABC] %logger %msg</SuffixPattern> </appender> In this case 'ABC' should show up as TAG in the Syslog message. You can substitute this value dynamically from MDC context or properties file. In case you want to substitute it from MDC context, you can use some thing like: <SuffixPattern>[%mdc{ABC}] %logger %msg</SuffixPattern> Thanks, Pradnya On Thu, Jan 6, 2011 at 10:25 AM, Sujith Sukumaran <sukumsu@ymail.com> wrote:
How can users specify the tag portion of a syslog message using the SyslogAppender. Is there a tag property on the SyslogAppender ?. So, if message is logged it would automatically prefix the message with the tag.
Regards, Sujith
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