Port 4999HFSQL Client/Server Database Engine Manager

Port 4999 is used by PC SOFT's HFSQL Client/Server Database Engine Manager.

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

also known as hfcs-manager, HFSQL Manager

Technical Details

what runs on :4999

no technical write-up for :4999 yet

the handshake, the implementations you meet in the wild, the flags that matter. we have the registry entry — the detail comes from the engineers who run it.

add technical details

Security Information

exposure of :4999

risk score

2/ 10safe

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

databases averages 3.3 across 108 ports — this one sits 1.3 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

no security notes recorded for :4999 yet

known exploits, hardening advice, what a compromise looks like — suggest an edit if you know its exposure.

Record

iana registry entry

port: :4999
service: HFSQL Client/Server Database Engine Manager
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 2/10safe
category: Databases
usage: Port 4999 is assigned to the HFSQL Client/Server Database Engine Manager, a PC SOFT service. Engineers may encounter it on systems running the HFSQL database platform.
lookups: 0rank 994
added: 2026-09-14
updated: 2026-09-14
references: IANA service name registry — port 4999

Something wrong?

This record is maintained by the engineers who use port 4999. 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 2026-09-14.

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 108 in databases →

the 8 most looked-up other ports in databases — 108 ports carry that label.

port	service	proto	category	risk	views
:8882	Atlasz Secure App Server	TCP	Web Services	caution	66.9k
:9001	ETL Service Manager	TCPUDP	Databases	caution	28.6k
:2484	Oracle SSL Listener	TCPUDPtls	Security	caution	25.0k
:5495	Applix TM1 Admin	TCP	Databases	caution	24.8k
:591	FileMaker Web Sharing	TCP	Web Services	caution	23.1k
:1521	Oracle TNS Listener	TCP	Security	caution	19.6k
:21001	AMLFilter Admin	TCP	Security	caution	19.2k
:18206	Audition FAM DB	TCPUDP	Databases	caution	19.1k

risk mix of the 8 listed

caution100%

1 of 8 encrypted

Port :4999HFSQL Client/Server Database Engine Manager

Technical Details

Security Information

Related Ports

Port 4999HFSQL Client/Server Database Engine Manager