Comment 7 for bug 1329400

All: Please refer to https://trac.nginx.org/nginx/ticket/783. To quote the ticket:

Closing as a duplicate of https://trac.nginx.org/nginx/ticket/677.
See details there.
With syslog-ng, just add flags(expect-hostname) to the corresponding source:
expect-hostname: If the expect-hostname flag is enabled, syslog-ng OSE will assume that the log message contains a hostname and parse the message accordingly. This is the default behavior for TCP sources. Note that pipe sources use the no-hostname flag by default.

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This is listed upstream as "Not a Bug" and is instead mentioned that you should refer to rsyslog configuration. As a result of Upstream marking this 'not a bug' and closing the dupe ticket as 'works for me', I am closing this ticket. (The exact wording of this ticket was marked as a duplicate, and then that duplicate was closed).