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TCP 8088

ProtocolTCP
Port8088
LabelsAsterisk management access via HTTP

Synopsis

  • Apache Hadoop YARN ResourceManager’s web UI and REST API listen on TCP 8088 by default (used in Apache Hadoop, Cloudera/HDP, and cloud Hadoop clusters like Amazon EMR and Azure HDInsight).
  • Splunk Enterprise’s HTTP Event Collector (HEC) uses TCP 8088 by default for ingesting events over HTTP/HTTPS.
  • Confluent ksqlDB (KSQL) exposes its REST API on TCP 8088 by default.
  • Security note: Unsecured Hadoop YARN ResourceManager on 8088 has been widely abused by attackers to submit jobs (e.g., crypto-miners) via its REST API.

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