HTTPfy

Port 6580 (parsec-master)

IANA assigns port 6580 to parsec-master: Parsec Masterserver.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
parsec-master TCP Parsec Masterserver Andreas Varga -
parsec-master UDP Parsec Masterserver Andreas Varga -

Check what is listening on port 6580

Linux: is anything listening on TCP 6580?
sudo ss -tlnp 'sport = :6580'
Linux: UDP 6580
sudo ss -ulnp 'sport = :6580'
Linux / macOS: which process owns the port
sudo lsof -nP -i :6580
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':6580 '
Windows (Command Prompt)
netstat -ano | findstr :6580
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 6580 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 6580
From Windows
Test-NetConnection HOST -Port 6580
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 6580

Block port 6580 in the firewall

ufw
sudo ufw deny 6580/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 6580 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 6580 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 6580' -Direction Inbound -Protocol TCP -LocalPort 6580 -Action Block
ufw
sudo ufw deny 6580/udp
iptables
sudo iptables -A INPUT -p udp --dport 6580 -j DROP
nftables
sudo nft add rule inet filter input udp dport 6580 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 6580' -Direction Inbound -Protocol UDP -LocalPort 6580 -Action Block

Related ports

6568canit-store, canit_store, rp-reputation6579affiliate6581parsec-peer6582parsec-game

All port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.