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Port 17755 (zigbee-ip)

IANA assigns port 17755 to zigbee-ip: ZigBee IP Transport Service.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
zigbee-ip TCP ZigBee IP Transport Service Chris Herzog -
zigbee-ip UDP ZigBee IP Transport Service Chris Herzog -

Registry dates for this port: registered 2006-05.

Check what is listening on port 17755

Linux: is anything listening on TCP 17755?
sudo ss -tlnp 'sport = :17755'
Linux: UDP 17755
sudo ss -ulnp 'sport = :17755'
Linux / macOS: which process owns the port
sudo lsof -nP -i :17755
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':17755 '
Windows (Command Prompt)
netstat -ano | findstr :17755
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 17755 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 17755
From Windows
Test-NetConnection HOST -Port 17755
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 17755

Block port 17755 in the firewall

ufw
sudo ufw deny 17755/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 17755 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 17755 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 17755' -Direction Inbound -Protocol TCP -LocalPort 17755 -Action Block
ufw
sudo ufw deny 17755/udp
iptables
sudo iptables -A INPUT -p udp --dport 17755 -j DROP
nftables
sudo nft add rule inet filter input udp dport 17755 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 17755' -Direction Inbound -Protocol UDP -LocalPort 17755 -Action Block

Related ports

17729ea17754zep17756zigbee-ips17777sw-orion

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