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Port 2293 (npdbgmngr)

IANA assigns port 2293 to npdbgmngr: Network Platform Debug Manager.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
npdbgmngr TCP Network Platform Debug Manager Robert Byrne -
npdbgmngr UDP Network Platform Debug Manager Robert Byrne -

Registry dates for this port: registered 2006-09.

Check what is listening on port 2293

Linux: is anything listening on TCP 2293?
sudo ss -tlnp 'sport = :2293'
Linux: UDP 2293
sudo ss -ulnp 'sport = :2293'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2293
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2293 '
Windows (Command Prompt)
netstat -ano | findstr :2293
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2293 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2293
From Windows
Test-NetConnection HOST -Port 2293
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2293

Block port 2293 in the firewall

ufw
sudo ufw deny 2293/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2293 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2293 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2293' -Direction Inbound -Protocol TCP -LocalPort 2293 -Action Block
ufw
sudo ufw deny 2293/udp
iptables
sudo iptables -A INPUT -p udp --dport 2293 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2293 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2293' -Direction Inbound -Protocol UDP -LocalPort 2293 -Action Block

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