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Port 3298 (deskview)

IANA assigns port 3298 to deskview: DeskView.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
deskview TCP DeskView Manfred Randelzofer -
deskview UDP DeskView Manfred Randelzofer -

Check what is listening on port 3298

Linux: is anything listening on TCP 3298?
sudo ss -tlnp 'sport = :3298'
Linux: UDP 3298
sudo ss -ulnp 'sport = :3298'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3298
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3298 '
Windows (Command Prompt)
netstat -ano | findstr :3298
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3298 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3298
From Windows
Test-NetConnection HOST -Port 3298
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3298

Block port 3298 in the firewall

ufw
sudo ufw deny 3298/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3298 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3298 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3298' -Direction Inbound -Protocol TCP -LocalPort 3298 -Action Block
ufw
sudo ufw deny 3298/udp
iptables
sudo iptables -A INPUT -p udp --dport 3298 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3298 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3298' -Direction Inbound -Protocol UDP -LocalPort 3298 -Action Block

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