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Port 1786 (funk-logger)

IANA assigns port 1786 to funk-logger.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
funk-logger TCP funk-logger - -
funk-logger UDP funk-logger - -

Check what is listening on port 1786

Linux: is anything listening on TCP 1786?
sudo ss -tlnp 'sport = :1786'
Linux: UDP 1786
sudo ss -ulnp 'sport = :1786'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1786
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1786 '
Windows (Command Prompt)
netstat -ano | findstr :1786
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1786 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1786
From Windows
Test-NetConnection HOST -Port 1786
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1786

Block port 1786 in the firewall

ufw
sudo ufw deny 1786/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1786 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1786 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1786' -Direction Inbound -Protocol TCP -LocalPort 1786 -Action Block
ufw
sudo ufw deny 1786/udp
iptables
sudo iptables -A INPUT -p udp --dport 1786 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1786 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1786' -Direction Inbound -Protocol UDP -LocalPort 1786 -Action Block

Related ports

1784finle-lm1785windlm1787funk-license1788psmond

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