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// Other services

Port 6502: BoKS Servm

Port 6502 is assigned by IANA to boks_servm (BoKS Servm), boks-servm (BoKS Servm IANA assigned this well-formed service name as a replacement for "boks_servm".).

6502

How boks_servm works

Other services
client:6502boks_servmresponse client:6502boks_servmresponse

The client sends a request to port 6502 and the boks_servm service answers.

Transport
TCP · UDP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned2 registered services
Range
Registered (1024-49151)
Category
Other services
01 Security

Is port 6502 dangerous?

We have no specific security note for port 6502. 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 6502

ServicePortTransportDescriptionReferenceUpdated
boks_servm 6502 TCP, UDP BoKS Servm - -
boks-servm 6502 TCP, UDP BoKS Servm IANA assigned this well-formed service name as a replacement for "boks_servm". - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 6502, and is it reachable?

Linux

sudo ss -ltnup 'sport = :6502'      # process listening on 6502
sudo lsof -nP -i :6502

macOS

sudo lsof -nP -i :6502

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 6502 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 6502
netstat -ano | findstr :6502

From another machine

nmap -p 6502 -sV <host>
sudo nmap -sU -p 6502 <host>
nc -zv <host> 6502

Block it in the firewall

sudo ufw deny 6502/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 6502" -Direction Inbound -LocalPort 6502 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 6502 used for?

Port 6502 is assigned by IANA to boks_servm (BoKS Servm), boks-servm (BoKS Servm IANA assigned this well-formed service name as a replacement for "boks_servm".).

Is port 6502 TCP or UDP?

Port 6502 is registered for TCP and UDP.

Is it safe to open port 6502?

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 6502 is open?

On Linux run "ss -ltnup 'sport = :6502'", on macOS "lsof -nP -i :6502", and on Windows "netstat -ano | findstr :6502" to see the local process. From another machine, "nmap -p 6502 <host>" shows whether it is reachable.

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