It seems that currently, we do not have rules nor decoders for the Juniper firewall logs. You can check all the available ones
here.
However, custom rules and decoders can always be added to the manager. First of all, let see if the logs are arriving at the manager. To do so, let's enable the option
<logall_json> in the manager's configuration. It is recommended to enable this option and not the
<logall> one as we will be able to see the
full_log field and write decoders and rules for it. So, once this option is enabled, restart the Wazuh manager to apply the changes. After this, look for the log in the
/var/ossec/logs/archives/archives.json file. You can do it using the command
grep, and looking for some words present in this log. I will leave an example of this command in a picture attached to this message.
Yana.