Hadoop comes with quite a bunch of services listening on various ports. For your entertainment I extracted the default port numbers from these Hadoop 3 (default) config files:
| port | config name | config value |
|---|---|---|
| 0 | dfs.balancer.address | 0.0.0.0:0 |
| 9866 | dfs.datanode.address | 0.0.0.0:9866 |
| 9864 | dfs.datanode.http.address | 0.0.0.0:9864 |
| 9865 | dfs.datanode.https.address | 0.0.0.0:9865 |
| 9867 | dfs.datanode.ipc.address | 0.0.0.0:9867 |
| 8111 | dfs.federation.router.admin-address | 0.0.0.0:8111 |
| 50071 | dfs.federation.router.http-address | 0.0.0.0:50071 |
| 50072 | dfs.federation.router.https-address | 0.0.0.0:50072 |
| 8888 | dfs.federation.router.rpc-address | 0.0.0.0:8888 |
| 8480 | dfs.journalnode.http-address | 0.0.0.0:8480 |
| 8481 | dfs.journalnode.https-address | 0.0.0.0:8481 |
| 8485 | dfs.journalnode.rpc-address | 0.0.0.0:8485 |
| 0 | dfs.mover.address | 0.0.0.0:0 |
| 50100 | dfs.namenode.backup.address | 0.0.0.0:50100 |
| 50105 | dfs.namenode.backup.http-address | 0.0.0.0:50105 |
| 9870 | dfs.namenode.http-address | 0.0.0.0:9870 |
| 9871 | dfs.namenode.https-address | 0.0.0.0:9871 |
| 9868 | dfs.namenode.secondary.http-address | 0.0.0.0:9868 |
| 9869 | dfs.namenode.secondary.https-address | 0.0.0.0:9869 |
| 50200 | dfs.provided.aliasmap.inmemory.dnrpc-address | 0.0.0.0:50200 |
| 2181 | hadoop.registry.zk.quorum | localhost:2181 |
| 10020 | mapreduce.jobhistory.address | 0.0.0.0:10020 |
| 10033 | mapreduce.jobhistory.admin.address | 0.0.0.0:10033 |
| 19888 | mapreduce.jobhistory.webapp.address | 0.0.0.0:19888 |
| 19890 | mapreduce.jobhistory.webapp.https.address | 0.0.0.0:19890 |
| 0 | yarn.nodemanager.address | ${yarn.nodemanager.hostname}:0 |
| 8049 | yarn.nodemanager.amrmproxy.address | 0.0.0.0:8049 |
| 8048 | yarn.nodemanager.collector-service.address | ${yarn.nodemanager.hostname}:8048 |
| 8040 | yarn.nodemanager.localizer.address | ${yarn.nodemanager.hostname}:8040 |
| 8042 | yarn.nodemanager.webapp.address | ${yarn.nodemanager.hostname}:8042 |
| 8044 | yarn.nodemanager.webapp.https.address | 0.0.0.0:8044 |
| 8032 | yarn.resourcemanager.address | ${yarn.resourcemanager.hostname}:8032 |
| 8033 | yarn.resourcemanager.admin.address | ${yarn.resourcemanager.hostname}:8033 |
| 8031 | yarn.resourcemanager.resource-tracker.address | ${yarn.resourcemanager.hostname}:8031 |
| 8030 | yarn.resourcemanager.scheduler.address | ${yarn.resourcemanager.hostname}:8030 |
| 8088 | yarn.resourcemanager.webapp.address | ${yarn.resourcemanager.hostname}:8088 |
| 8090 | yarn.resourcemanager.webapp.https.address | ${yarn.resourcemanager.hostname}:8090 |
| 8089 | yarn.router.webapp.address | 0.0.0.0:8089 |
| 8091 | yarn.router.webapp.https.address | 0.0.0.0:8091 |
| 8047 | yarn.sharedcache.admin.address | 0.0.0.0:8047 |
| 8045 | yarn.sharedcache.client-server.address | 0.0.0.0:8045 |
| 8046 | yarn.sharedcache.uploader.server.address | 0.0.0.0:8046 |
| 8788 | yarn.sharedcache.webapp.address | 0.0.0.0:8788 |
| 10200 | yarn.timeline-service.address | ${yarn.timeline-service.hostname}:10200 |
| 8188 | yarn.timeline-service.webapp.address | ${yarn.timeline-service.hostname}:8188 |
| 8190 | yarn.timeline-service.webapp.https.address | ${yarn.timeline-service.hostname}:8190 |