see https://redmine.openinfosecfoundation.org/projects/suricata/wiki/Lua_Output
see (old) https://gist.github.com/hillar/aeae0b6d12de4ccd8ced#file-suricata_flow2ela-lua
outputs:
- lua:
enabled: yes
scripts-dir: /etc/suricata/lua-output/
scripts:
- tcp-data.lua
- flow.lua
- file
- http
- ...