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// Other services

Port 6628: AFE Stock Channel M/C

Port 6628 is assigned by IANA to afesc-mc (AFE Stock Channel M/C).

6628

How afesc-mc works

Other services
client:6628afesc-mcresponse client:6628afesc-mcresponse

The client sends a request to port 6628 and the afesc-mc service answers.

Transport
TCP · UDP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned1 registered service
Range
Registered (1024-49151)
Category
Other services
01 Security

Is port 6628 dangerous?

We have no specific security note for port 6628. Its risk depends on the program actually listening on it. General advice for other services services:

  • Close the port if nothing on the host needs it.
  • Identify the process that listens on it (commands below) before opening it in a firewall.
  • Expose a service only to the networks that use it.
02 Registry

IANA registry entries for port 6628

ServicePortTransportDescriptionReferenceUpdated
afesc-mc 6628 TCP, UDP AFE Stock Channel M/C - 2004-04

// source: IANA service name and port number registry

03 Check it

Which program uses port 6628, and is it reachable?

Linux

sudo ss -ltnup 'sport = :6628'      # process listening on 6628
sudo lsof -nP -i :6628

macOS

sudo lsof -nP -i :6628

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 6628 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 6628
netstat -ano | findstr :6628

From another machine

nmap -p 6628 -sV <host>
sudo nmap -sU -p 6628 <host>
nc -zv <host> 6628

Block it in the firewall

sudo ufw deny 6628/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 6628" -Direction Inbound -LocalPort 6628 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 6628 used for?

Port 6628 is assigned by IANA to afesc-mc (AFE Stock Channel M/C).

Is port 6628 TCP or UDP?

Port 6628 is registered for TCP and UDP.

Is it safe to open port 6628?

It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Close the port if nothing on the host needs it.

How do I check if port 6628 is open?

On Linux run "ss -ltnup 'sport = :6628'", on macOS "lsof -nP -i :6628", and on Windows "netstat -ano | findstr :6628" to see the local process. From another machine, "nmap -p 6628 <host>" shows whether it is reachable.

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