Port 5688GGZ Gaming Zone

GGZ Gaming Zone uses this port for connections to its multiplayer gaming lobby and server.

transport: tcp · udp
in transit: cleartext
assignment: official
risk: 1/10
lookups: 0

also known as ggz

Technical Details

what runs on :5688

The assignment is for the GGZ Gaming Zone, an online multiplayer gaming system with a lobby/server component and game-specific play. GGZ clients connect to the server to use its zone and room features; game sessions may involve game-specific components as well. IANA registers both TCP and UDP, but TCP is the transport associated with ordinary client/server sessions; the UDP assignment alone does not establish what a particular deployment uses it for. Do not assume that a service found here is a generic gaming protocol.

Security Information

exposure of :5688

risk score

1/ 10safe

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

gaming averages 3.5 across 158 ports — this one sits 2.5 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

An exposed instance may provide a reachable game lobby and account-facing service. The platform is legacy and uncommon, and traffic should not be assumed encrypted by default; avoid exposing an instance unless it is intentionally operated and its authentication and transport protections have been checked. There is no basis here to claim a specific known vulnerability.

Record

iana registry entry

port: :5688
service: GGZ Gaming Zone
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: Gaming
usage: Historically, GGZ servers used this service for clients to connect to a multiplayer gaming zone, join rooms, and arrange games. It is a niche, legacy gaming platform and is not commonly encountered on today's public internet.
lookups: 0rank 993
added: 2026-10-08
updated: 2026-10-08
references: IANA service name registry — port 5688

Something wrong?

This record is maintained by the engineers who use port 5688. 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 2026-10-08.

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

Related Ports

all 158 in gaming →

the 8 most looked-up other ports in gaming — 158 ports carry that label.

port	service	proto	category	risk	views
:8888	D2GS Admin Console	TCP	Remote Access	caution	83.7k
:8888	Earthland Realms 2 Server	TCP	Gaming	caution	73.1k
:1513	Garena Gaming	TCPUDP	Gaming	caution	33.1k
:5555	Freeciv	TCP	Security	caution	26.9k
:18200	Audition Online Server Check	TCPUDP	Gaming	caution	20.9k
:12345	NetBus / NetBuster		Security	caution	19.9k
:18206	Audition FAM DB	TCPUDP	Databases	caution	19.1k
:18505	Audition Dance Battle Status Check	TCPUDP	Network Services	caution	18.9k

risk mix of the 8 listed

caution100%

0 of 8 encrypted

Port :5688GGZ Gaming Zone

Technical Details

Security Information

Related Ports

Port 5688GGZ Gaming Zone