Port 4061ZeroC IceGrid Locator

ZeroC IceGrid's location service resolves Ice object identities and adapters for distributed applications.

transport: tcp · udp
in transit: cleartext
assignment: official
risk: 2/10
lookups: 0

also known as ice-location, IceGrid Registry

Technical Details

what runs on :4061

The service uses the ZeroC Ice binary protocol, normally over TCP; the IANA assignment also lists UDP. Ice messages use a fixed header and length-delimited binary framing, and locator requests resolve object identities, adapter IDs, or well-known objects to proxies. The usual IceGrid Registry endpoint is TCP port 4061, while secure or otherwise specialized Ice endpoints are normally configured separately rather than making this listener encrypted by default.

Security Information

exposure of :4061

risk score

2/ 10safe

routine exposure. this port is rarely the way in on its own — keep it patched and logged and move on.

network services averages 3.5 across 726 ports — this one sits 1.5 below.

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

tcp · udp

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

security overview

A directly exposed locator can reveal object identities, adapter names, endpoints, and deployment topology, and its risk depends on the IceGrid authorization configuration and the objects reachable through returned proxies. It should normally be restricted to application hosts or trusted management networks; unencrypted deployment also permits network observers to inspect requests and responses.

Record

iana registry entry

port: :4061
service: ZeroC IceGrid Locator
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 2/10safe
category: Network Services System
usage: This port is commonly used by the ZeroC IceGrid Registry, which provides the locator service used by Ice clients and object adapters. Engineers typically encounter it in IceGrid-managed middleware deployments, where applications query it to resolve well-known objects and adapter endpoints.
lookups: 0rank 994
added: 2026-08-25
updated: 2026-08-25
references: IANA service name registry — port 4061

Something wrong?

This record is maintained by the engineers who use port 4061. 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 2026-08-25.

01edit any field on a page of its own
02a model checks it for accuracy and spam
03clean and confident goes live immediately

edit this record →back to the registry

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risk mix of the 8 listed

caution100%

0 of 8 encrypted

Port :4061ZeroC IceGrid Locator

Technical Details

Security Information

Related Ports

Port 4061ZeroC IceGrid Locator