HTTPfy

Port 1394 (iclpv-nlc)

IANA assigns port 1394 to iclpv-nlc: Network Log Client.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
iclpv-nlc TCP Network Log Client - -
iclpv-nlc UDP Network Log Client - -

Check what is listening on port 1394

Linux: is anything listening on TCP 1394?
sudo ss -tlnp 'sport = :1394'
Linux: UDP 1394
sudo ss -ulnp 'sport = :1394'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1394
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1394 '
Windows (Command Prompt)
netstat -ano | findstr :1394
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1394 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1394
From Windows
Test-NetConnection HOST -Port 1394
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1394

Block port 1394 in the firewall

ufw
sudo ufw deny 1394/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1394 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1394 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1394' -Direction Inbound -Protocol TCP -LocalPort 1394 -Action Block
ufw
sudo ufw deny 1394/udp
iptables
sudo iptables -A INPUT -p udp --dport 1394 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1394 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1394' -Direction Inbound -Protocol UDP -LocalPort 1394 -Action Block

Related ports

1392iclpv-pm1393iclpv-nls1395iclpv-wsm1396dvl-activemail

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