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Port 1893 (elad)

IANA assigns port 1893 to elad: ELAD Protocol.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
elad TCP ELAD Protocol Franco Milan -
elad UDP ELAD Protocol Franco Milan -

Check what is listening on port 1893

Linux: is anything listening on TCP 1893?
sudo ss -tlnp 'sport = :1893'
Linux: UDP 1893
sudo ss -ulnp 'sport = :1893'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1893
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1893 '
Windows (Command Prompt)
netstat -ano | findstr :1893
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1893 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1893
From Windows
Test-NetConnection HOST -Port 1893
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1893

Block port 1893 in the firewall

ufw
sudo ufw deny 1893/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1893 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1893 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1893' -Direction Inbound -Protocol TCP -LocalPort 1893 -Action Block
ufw
sudo ufw deny 1893/udp
iptables
sudo iptables -A INPUT -p udp --dport 1893 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1893 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1893' -Direction Inbound -Protocol UDP -LocalPort 1893 -Action Block

Related ports

1891childkey-notif1892childkey-ctrl1894o2server-port1896b-novative-ls

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