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Port 8893 (ddi-tcp-6, ddi-udp-6)

IANA assigns port 8893 to ddi-tcp-6, ddi-udp-6: Desktop Data TCP 5: NewsEDGE/Web application.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
ddi-tcp-6 TCP Desktop Data TCP 5: NewsEDGE/Web application Fred Yao -
ddi-udp-6 UDP Desktop Data UDP 5: NewsEDGE/Web application Fred Yao -

Check what is listening on port 8893

Linux: is anything listening on TCP 8893?
sudo ss -tlnp 'sport = :8893'
Linux: UDP 8893
sudo ss -ulnp 'sport = :8893'
Linux / macOS: which process owns the port
sudo lsof -nP -i :8893
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':8893 '
Windows (Command Prompt)
netstat -ano | findstr :8893
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 8893 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 8893
From Windows
Test-NetConnection HOST -Port 8893
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 8893

Block port 8893 in the firewall

ufw
sudo ufw deny 8893/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 8893 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 8893 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 8893' -Direction Inbound -Protocol TCP -LocalPort 8893 -Action Block
ufw
sudo ufw deny 8893/udp
iptables
sudo iptables -A INPUT -p udp --dport 8893 -j DROP
nftables
sudo nft add rule inet filter input udp dport 8893 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 8893' -Direction Inbound -Protocol UDP -LocalPort 8893 -Action Block

Related ports

8891ddi-tcp-4, ddi-udp-48892ddi-tcp-5, ddi-udp-58894ddi-tcp-7, ddi-udp-78899ospf-lite

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