Reference » Filter plugins « zeromq anonymize » Filter pluginsanonymizealtercsvcollateclonecidrcipherchecksumdatednsdropenvironmentextractnumberselasticsearchelapsedfingerprintgrokgeoipi18njsonjson_encodekvmetricsmutatemultilinemetaeventprunepunctrubyrangesplitsleepsyslog_pritranslatethrottleuuiduseragenturldecodexmlzeromqThe plugins in this section apply intermediary processing to the information from a given source in Logstash.The following filter plugins are available:a c d e f g i j k m p r s t u x z anonymize alter csv collate clone cidr cipher checksum date dns drop environment extractnumbers elasticsearch elapsed fingerprint grok geoip i18n json json_encode kv metrics mutate multiline metaevent prune punct ruby range split sleep syslog_pri translate throttle uuid useragent urldecode xml zeromq