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Port 2298 (d2k-datamover2)

IANA assigns port 2298 to d2k-datamover2: D2K DataMover 2.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
d2k-datamover2 TCP D2K DataMover 2 Eric Lan -
d2k-datamover2 UDP D2K DataMover 2 Eric Lan -

Check what is listening on port 2298

Linux: is anything listening on TCP 2298?
sudo ss -tlnp 'sport = :2298'
Linux: UDP 2298
sudo ss -ulnp 'sport = :2298'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2298
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2298 '
Windows (Command Prompt)
netstat -ano | findstr :2298
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2298 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2298
From Windows
Test-NetConnection HOST -Port 2298
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2298

Block port 2298 in the firewall

ufw
sudo ufw deny 2298/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2298 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2298 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2298' -Direction Inbound -Protocol TCP -LocalPort 2298 -Action Block
ufw
sudo ufw deny 2298/udp
iptables
sudo iptables -A INPUT -p udp --dport 2298 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2298 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2298' -Direction Inbound -Protocol UDP -LocalPort 2298 -Action Block

Related ports

2296theta-lm2297d2k-datamover12299pc-telecommute2300cvmmon

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