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Port 9592 (ldgateway)

IANA assigns port 9592 to ldgateway: LANDesk Gateway.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
ldgateway TCP LANDesk Gateway Alan Butt -
ldgateway UDP LANDesk Gateway Alan Butt -

Registry dates for this port: registered 2006-03.

Check what is listening on port 9592

Linux: is anything listening on TCP 9592?
sudo ss -tlnp 'sport = :9592'
Linux: UDP 9592
sudo ss -ulnp 'sport = :9592'
Linux / macOS: which process owns the port
sudo lsof -nP -i :9592
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':9592 '
Windows (Command Prompt)
netstat -ano | findstr :9592
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 9592 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 9592
From Windows
Test-NetConnection HOST -Port 9592
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 9592

Block port 9592 in the firewall

ufw
sudo ufw deny 9592/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 9592 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 9592 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 9592' -Direction Inbound -Protocol TCP -LocalPort 9592 -Action Block
ufw
sudo ufw deny 9592/udp
iptables
sudo iptables -A INPUT -p udp --dport 9592 -j DROP
nftables
sudo nft add rule inet filter input udp dport 9592 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 9592' -Direction Inbound -Protocol UDP -LocalPort 9592 -Action Block

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Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.