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Port 2596 (worldfusion2)

IANA assigns port 2596 to worldfusion2: World Fusion 2.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
worldfusion2 TCP World Fusion 2 World Fusion -
worldfusion2 UDP World Fusion 2 World Fusion -

Check what is listening on port 2596

Linux: is anything listening on TCP 2596?
sudo ss -tlnp 'sport = :2596'
Linux: UDP 2596
sudo ss -ulnp 'sport = :2596'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2596
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2596 '
Windows (Command Prompt)
netstat -ano | findstr :2596
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2596 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2596
From Windows
Test-NetConnection HOST -Port 2596
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2596

Block port 2596 in the firewall

ufw
sudo ufw deny 2596/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2596 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2596 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2596' -Direction Inbound -Protocol TCP -LocalPort 2596 -Action Block
ufw
sudo ufw deny 2596/udp
iptables
sudo iptables -A INPUT -p udp --dport 2596 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2596 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2596' -Direction Inbound -Protocol UDP -LocalPort 2596 -Action Block

Related ports

2594dts2595worldfusion12597homesteadglory2598Citrix CGP (session reliability)

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