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Port 575 (vemmi)

IANA assigns port 575 to vemmi: VEMMI.

Well-known (system) port, 0-1023 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
vemmi TCP VEMMI Daniel Mavrakis 2 -
vemmi UDP VEMMI Daniel Mavrakis 2 -

Check what is listening on port 575

Linux: is anything listening on TCP 575?
sudo ss -tlnp 'sport = :575'
Linux: UDP 575
sudo ss -ulnp 'sport = :575'
Linux / macOS: which process owns the port
sudo lsof -nP -i :575
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':575 '
Windows (Command Prompt)
netstat -ano | findstr :575
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 575 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 575
From Windows
Test-NetConnection HOST -Port 575
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 575

Block port 575 in the firewall

ufw
sudo ufw deny 575/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 575 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 575 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 575' -Direction Inbound -Protocol TCP -LocalPort 575 -Action Block
ufw
sudo ufw deny 575/udp
iptables
sudo iptables -A INPUT -p udp --dport 575 -j DROP
nftables
sudo nft add rule inet filter input udp dport 575 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 575' -Direction Inbound -Protocol UDP -LocalPort 575 -Action Block

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