HTTPfy

Port 45514 (cloudcheck, cloudcheck-ping)

IANA assigns port 45514 to cloudcheck, cloudcheck-ping: ASSIA CloudCheck WiFi Management System.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
cloudcheck TCP ASSIA CloudCheck WiFi Management System ASSIA Inc -
cloudcheck-ping UDP ASSIA CloudCheck WiFi Management keepalive ASSIA Inc -

Registry dates for this port: registered 2016-08-29.

Check what is listening on port 45514

Linux: is anything listening on TCP 45514?
sudo ss -tlnp 'sport = :45514'
Linux: UDP 45514
sudo ss -ulnp 'sport = :45514'
Linux / macOS: which process owns the port
sudo lsof -nP -i :45514
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':45514 '
Windows (Command Prompt)
netstat -ano | findstr :45514
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 45514 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 45514
From Windows
Test-NetConnection HOST -Port 45514
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 45514

Block port 45514 in the firewall

ufw
sudo ufw deny 45514/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 45514 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 45514 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 45514' -Direction Inbound -Protocol TCP -LocalPort 45514 -Action Block
ufw
sudo ufw deny 45514/udp
iptables
sudo iptables -A INPUT -p udp --dport 45514 -j DROP
nftables
sudo nft add rule inet filter input udp dport 45514 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 45514' -Direction Inbound -Protocol UDP -LocalPort 45514 -Action Block

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Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.