Port 7574Oracle Coherence Cluster Discovery

Oracle Coherence uses UDP port 7574 for cluster discovery, typically on an internal network.

transport: udp
in transit: cleartext
assignment: official
risk: 5/10
lookups: 0

also known as coherence-disc, Coherence discovery

1 other service is registered on port 7574. compare all 2 →

Technical Details

what runs on :7574

UDP/7574 is the default Coherence cluster discovery port. In multicast-based configurations, Coherence sends discovery traffic using a configured multicast address and port so nodes can find cluster members; configurations using well-known addresses can use unicast discovery instead. This is discovery traffic, not a general-purpose application protocol, and the port is configurable. Coherence cluster traffic is not encrypted by default.

Security Information

exposure of :7574

risk score

5/ 10caution

worth attention. how exposed you are depends on configuration — don't leave it reachable from the internet without a reason.

network services averages 2.6 across 1,781 ports — this one sits 2.4 above.

in transit

cleartext

credentials and payloads are readable by anyone on path

assignment

official

registered with iana for this service — scanners fingerprint it by number

reachable over

udp

udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite

security overview

Keep this port off the public internet and restrict it to the networks containing intended cluster members. Unwanted discovery or cluster traffic can expose cluster metadata and, depending on Coherence configuration and security controls, create risks to cluster membership and cached data. Use Coherence security features and network segmentation rather than relying on the port being obscure.

Record

iana registry entry

port: :7574
service: Oracle Coherence Cluster Discovery
transport: UDP
encryption: cleartext
assignment: iana registered
risk: 5/10caution
category: Network Services
usage: Oracle Coherence nodes use this UDP service to discover and communicate initial membership information about a cluster. Engineers typically encounter it on internal networks running Coherence-based distributed caches or data grids; the port and discovery configuration can be changed.
lookups: 0rank 993
added: 2026-10-12
updated: 2026-10-12
references: IANA service name registry — port 7574

Something wrong?

This record is maintained by the engineers who use port 7574. Every field on it is editable — change what's wrong, say how you know, and a reviewer publishes it, usually within a minute. Last touched 2026-10-12.

01edit any field on a page of its own
02a model checks it for accuracy and spam
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edit this record →back to the registry

Related Ports

all 1,781 in network services →

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:3128	Tatsoft Default HTTP Proxy	TCP	Web Services	caution	46.8k

risk mix of the 8 listed

caution100%

0 of 8 encrypted

Port :7574Oracle Coherence Cluster Discovery

Technical Details

Security Information

Related Ports

Port 7574Oracle Coherence Cluster Discovery