Software: nginx/1.23.4. PHP/5.6.40-65+ubuntu20.04.1+deb.sury.org+1 

uname -a: Linux foro-restaurado-2 5.15.0-1040-oracle #46-Ubuntu SMP Fri Jul 14 21:47:21 UTC 2023
aarch64 

uid=33(www-data) gid=33(www-data) groups=33(www-data) 

Safe-mode: OFF (not secure)

/opt/unified-monitoring-agent/embedded/lib/ruby/gems/3.0.0/gems/fluentd-1.16.5/example/   drwxr-xr-x
Free 83.14 GB of 96.73 GB (85.95%)
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Viewing file:     out_forward_shared_key.conf (734 B)      -rw-r--r--

<source>
  @type sample
  tag test
</source>
<source>
  @type sample
  tag test2
</source>

<match test>
  @type forward
  flush_interval 0
  <security>
    self_hostname output.testing.local
    shared_key    secure_communication_is_awesome
  </security>
  <server>
    host 127.0.0.1
    port 24224
  </server>
</match>

<match test2>
  @type forward
  flush_interval 0
  <security>
    self_hostname output-fail.testing.local
    shared_key    secure_communication_is_not_awesome
    # input plugin shows warning for wrong shared_key
    # 2016-08-08 16:27:00 +0900 [warn]: Shared key mismatch address="127.0.0.1" hostname="output-fail.testing.local"
  </security>
  <server>
    host 127.0.0.1
    port 24224
  </server>
</match>