Vendor - Ossec
Product - Ossec
| Ref | Link | 
| Splunk Add-on | https://splunkbase.splunk.com/app/2808/ | 
| Product Manual | https://www.ossec.net/docs/index.html | 
Sourcetypes
| sourcetype | notes | 
| ossec | The add-on supports data from the following sources: File Integrity Management (FIM) data, FTP data, su data, ssh data, Windows data, including audit and logon information | 
Sourcetype and Index Configuration
| key | sourcetype | index | notes | 
| ossec | ossec | main | None | 
Filter type
IP, Netmask or Host
Setup and Configuration
- Install the Splunk Add-on on the search head(s) for the user communities interested in this data source. If SC4S is exclusively used the addon is not required on the indexer.
- Ossec Follow vendor configuration steps per Product Manual.
- Ensure host and timestamp are included.
- Update vi /opt/sc4s/local/context/vendor_product_by_source.confupdate the host or ip mask forf_ossecto identiy the ossec events.
Options
| Variable | default | description | 
| SC4S_LISTEN_OSSEC_TCP_PORT | empty string | Enable a TCP port for this specific vendor product using a comma-separated list of port numbers | 
| SC4S_LISTEN_OSSEC_UDP_PORT | empty string | Enable a UDP port for this specific vendor product using a comma-separated list of port numbers | 
| SC4S_ARCHIVE_OSSEC | no | Enable archive to disk for this specific source | 
| SC4S_DEST_OSSEC_HEC | no | When Splunk HEC is disabled globally set to yes to enable this specific source | 
Verification
Use the following search to validate events are present
index=main sourcetype=ossec
Verify timestamp, and host values match as expected