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Port 14250 (cps)

IANA assigns port 14250 to cps: Fencing Server.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
cps TCP Fencing Server Mayank Vasa -
cps UDP Fencing Server Mayank Vasa -

Registry dates for this port: registered 2008-04-03.

Check what is listening on port 14250

Linux: is anything listening on TCP 14250?
sudo ss -tlnp 'sport = :14250'
Linux: UDP 14250
sudo ss -ulnp 'sport = :14250'
Linux / macOS: which process owns the port
sudo lsof -nP -i :14250
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':14250 '
Windows (Command Prompt)
netstat -ano | findstr :14250
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 14250 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 14250
From Windows
Test-NetConnection HOST -Port 14250
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 14250

Block port 14250 in the firewall

ufw
sudo ufw deny 14250/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 14250 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 14250 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 14250' -Direction Inbound -Protocol TCP -LocalPort 14250 -Action Block
ufw
sudo ufw deny 14250/udp
iptables
sudo iptables -A INPUT -p udp --dport 14250 -j DROP
nftables
sudo nft add rule inet filter input udp dport 14250 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 14250' -Direction Inbound -Protocol UDP -LocalPort 14250 -Action Block

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