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Port 45185 (witsnet)

IANA assigns port 45185 to witsnet: Wire and Wireless transfer on synchroniz.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
witsnet TCP Wire and Wireless transfer on synchroniz Shenzhen Inovance Technology Co Ltd -
witsnet UDP Wire and Wireless transfer on synchroniz Shenzhen Inovance Technology Co Ltd -

Registry dates for this port: registered 2025-03-11.

Check what is listening on port 45185

Linux: is anything listening on TCP 45185?
sudo ss -tlnp 'sport = :45185'
Linux: UDP 45185
sudo ss -ulnp 'sport = :45185'
Linux / macOS: which process owns the port
sudo lsof -nP -i :45185
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':45185 '
Windows (Command Prompt)
netstat -ano | findstr :45185
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 45185 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 45185
From Windows
Test-NetConnection HOST -Port 45185
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 45185

Block port 45185 in the firewall

ufw
sudo ufw deny 45185/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 45185 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 45185 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 45185' -Direction Inbound -Protocol TCP -LocalPort 45185 -Action Block
ufw
sudo ufw deny 45185/udp
iptables
sudo iptables -A INPUT -p udp --dport 45185 -j DROP
nftables
sudo nft add rule inet filter input udp dport 45185 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 45185' -Direction Inbound -Protocol UDP -LocalPort 45185 -Action Block

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45045synctest45054invision-ag45514cloudcheck, cloudcheck-ping45678eba

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