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Port 2649 (vpsipport)

IANA assigns port 2649 to vpsipport: VPSIPPORT.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
vpsipport TCP VPSIPPORT Joon Radley -
vpsipport UDP VPSIPPORT Joon Radley -

Check what is listening on port 2649

Linux: is anything listening on TCP 2649?
sudo ss -tlnp 'sport = :2649'
Linux: UDP 2649
sudo ss -ulnp 'sport = :2649'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2649
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2649 '
Windows (Command Prompt)
netstat -ano | findstr :2649
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2649 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2649
From Windows
Test-NetConnection HOST -Port 2649
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2649

Block port 2649 in the firewall

ufw
sudo ufw deny 2649/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2649 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2649 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2649' -Direction Inbound -Protocol TCP -LocalPort 2649 -Action Block
ufw
sudo ufw deny 2649/udp
iptables
sudo iptables -A INPUT -p udp --dport 2649 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2649 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2649' -Direction Inbound -Protocol UDP -LocalPort 2649 -Action Block

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