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Port 1792 (ibm-dt-2)

IANA assigns port 1792 to ibm-dt-2.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
ibm-dt-2 TCP ibm-dt-2 Sam Borman -
ibm-dt-2 UDP ibm-dt-2 Sam Borman -

Check what is listening on port 1792

Linux: is anything listening on TCP 1792?
sudo ss -tlnp 'sport = :1792'
Linux: UDP 1792
sudo ss -ulnp 'sport = :1792'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1792
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1792 '
Windows (Command Prompt)
netstat -ano | findstr :1792
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1792 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1792
From Windows
Test-NetConnection HOST -Port 1792
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1792

Block port 1792 in the firewall

ufw
sudo ufw deny 1792/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1792 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1792 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1792' -Direction Inbound -Protocol TCP -LocalPort 1792 -Action Block
ufw
sudo ufw deny 1792/udp
iptables
sudo iptables -A INPUT -p udp --dport 1792 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1792 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1792' -Direction Inbound -Protocol UDP -LocalPort 1792 -Action Block

Related ports

1790nmsp1791ea11793rsc-robot1794cera-bcm

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