HTTPfy

Port 886 (iclcnet-locate)

IANA assigns port 886 to iclcnet-locate: ICL coNETion locate server.

Well-known (system) port, 0-1023 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
iclcnet-locate TCP ICL coNETion locate server Bob Lyon -
iclcnet-locate UDP ICL coNETion locate server Bob Lyon -

Check what is listening on port 886

Linux: is anything listening on TCP 886?
sudo ss -tlnp 'sport = :886'
Linux: UDP 886
sudo ss -ulnp 'sport = :886'
Linux / macOS: which process owns the port
sudo lsof -nP -i :886
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':886 '
Windows (Command Prompt)
netstat -ano | findstr :886
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 886 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 886
From Windows
Test-NetConnection HOST -Port 886
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 886

Block port 886 in the firewall

ufw
sudo ufw deny 886/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 886 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 886 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 886' -Direction Inbound -Protocol TCP -LocalPort 886 -Action Block
ufw
sudo ufw deny 886/udp
iptables
sudo iptables -A INPUT -p udp --dport 886 -j DROP
nftables
sudo nft add rule inet filter input udp dport 886 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 886' -Direction Inbound -Protocol UDP -LocalPort 886 -Action Block

Related ports

862twamp-control, twamp-test873rsync daemon887iclcnet-svinfo, iclcnet_svinfo888accessbuilder, cddbp

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