we are trying to integrate logs from Check Point Management server into Logstash. We are using opensource tool fw1-loggrabber with support of new OPSEC API (SHA-256) supported. Exporting works, however I couldn't find a proper documentation of the fields that can be found in logs. There is not really a true structure of logs, many line have different fields and those fields are not documentated.
Is there a document that show every field that can be exported? I just found an old LEA document, but it is missing a lot of fields. (http://dl3.checkpoint.com/paid/0f/LEA_Fields_2011.pdf?HashKey=1503666450_ebd2eeca265aaca0f531f781169c8948&xtn=.pdf ).
Writing rules for matching in Logstash is very difficult, without the knowledge what we can expect. We were following Check Point Firewall Logs and Logstash (ELK) Integration - /dev/random
Thank you for any insight how we can do this better.