Port 6502 (boks-servm, boks_servm)

IANA assigns port 6502 to boks-servm, boks_servm: BoKS Servm IANA assigned this well-formed service name as a replacement for "boks_servm"..

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference

boks-servm TCP BoKS Servm IANA assigned this well-formed service name as a replacement for "boks_servm". Magnus Nystrom -

boks_servm TCP BoKS Servm
This entry is an alias to "boks-servm". This entry is now historic, not usable for use with many common service discovery mechanisms. Magnus Nystrom -

boks-servm UDP BoKS Servm IANA assigned this well-formed service name as a replacement for "boks_servm". Magnus Nystrom -

boks_servm UDP BoKS Servm
This entry is an alias to "boks-servm". This entry is now historic, not usable for use with many common service discovery mechanisms. Magnus Nystrom -

Check what is listening on port 6502

Linux: is anything listening on TCP 6502?

sudo ss -tlnp 'sport = :6502'

Linux: UDP 6502

sudo ss -ulnp 'sport = :6502'

Linux / macOS: which process owns the port

sudo lsof -nP -i :6502

Older Linux / BSD (net-tools)

sudo netstat -tlnp | grep ':6502 '

Windows (Command Prompt)

netstat -ano | findstr :6502

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 6502 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine

nc -vz -w 5 HOST 6502

From Windows

Test-NetConnection HOST -Port 6502

UDP probe (no reply does not prove it is closed)

nc -vzu -w 5 HOST 6502

Block port 6502 in the firewall

ufw

sudo ufw deny 6502/tcp

iptables

sudo iptables -A INPUT -p tcp --dport 6502 -j DROP

nftables

sudo nft add rule inet filter input tcp dport 6502 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block TCP 6502' -Direction Inbound -Protocol TCP -LocalPort 6502 -Action Block

ufw

sudo ufw deny 6502/udp