# Output Modules

Output modules process messages. With them, message formats can be transformed and messages be transmitted to various different targets. They are generally defined via action configuration objects.

- omelasticsearch: Elasticsearch Output Module
- omfile: File Output Module
- omfwd: syslog Forwarding Output Module
- omhdfs: Hadoop Filesystem Output Module
- omhiredis: Redis Output Module
- omhttpfs: Hadoop HTTPFS Output Module
- omkafka: write to Apache Kafka
- omlibdbi: Generic Database Output Module
- ommail: Mail Output Module
- ommongodb: MongoDB Output Module
- ommysql: MySQL Database Output Module
- omoracle: Oracle Database Output Module
- ompipe: Pipe Output Module
- omprog: Program integration Output module
- omrelp: RELP Output Module
- omruleset: ruleset output/including module
- omsnmp: SNMP Trap Output Module
- omstdout: stdout output module (testbench tool)
- omudpspoof: UDP spoofing output module
- omuxsock: Unix sockets Output Module
- GuardTime Log Signature Provider (gt)
- Keyless Signature Infrastructure Provider (ksi)