Port 4676BIAP Generic Alert

TCP and UDP port 4676 is assigned to BIAP Generic Alert; its real-world protocol and deployment are not documented here.

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

also known as dhct-alerts

Technical Details

what runs on :4676

BIAP Generic Alert is registered on port :4676 over tcp and udp to Louis Slothouber, assigned August 2005. We don't have a technical write-up for it beyond the IANA registry entry.

In nmap's internet-wide scan data this port is never observed open, so if it's open on your network it's more likely a custom or misconfigured service than the registered one.

find what's listening on :4676

this machine

# linux
sudo ss -tulpn 'sport = :4676'

# macos / bsd
sudo lsof -nP -i :4676

# windows (then: tasklist /FI "PID eq <pid>")
netstat -ano | findstr :4676

another host

nmap -sV -p T:4676 <host>
sudo nmap -sU -sV -p U:4676 <host>

run it? the handshake, the implementations you meet in the wild and the flags that matter come from the engineers who do.

add technical details

Security Information

exposure of :4676

risk score

1/ 10safe

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

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 :4676 yet

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

Record

iana registry entry

port: :4676
service: BIAP Generic Alert
transport: TCPUDP
encryption: cleartext
assignment: iana registered
risk: 1/10safe
category: uncategorised
usage: The IANA registry describes port 4676 as BIAP Generic Alert and lists Louis Slothouber as the registrant. There is no established common deployment or behavior to identify from the assignment alone.
lookups: 0rank 993
added: 2026-10-05
updated: 2026-10-05
references: IANA service name registry — port 4676

Something wrong?

This record is maintained by the engineers who use port 4676. 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 2026-10-05.

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

browse categories →

ports registered around :4676, by lookups.

port	service	proto	category	risk	views
:4664	Google Desktop Search	TCP	System	caution	67.2k
:4712	McAfee Web Gateway GUI	TCPtls	Web Services	caution	24.8k
:4711	McAfee Web Gateway HTTP GUI	TCP	Web Services	caution	22.3k
:4728	CA DMP / Port Multiplexer	TCP	Network Services	caution	10.0k
:4662	OrbitNet Message	TCPUDP	File Transfer	caution	9.0k
:4662	eMule File Sharing	TCP	File Transfer	caution	6.0k
:4672	eMule UDP Port	UDP	File Transfer	caution	5.1k
:4664	Wrapper: Offline asset server	TCPUDP	Web Services	caution	3.5k

risk mix of the 8 listed

caution100%

1 of 8 encrypted

Port :4676BIAP Generic Alert

Technical Details

Security Information

Related Ports

Port 4676BIAP Generic Alert