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Port 1614 (netbill-cred)

IANA assigns port 1614 to netbill-cred: NetBill Credential Server.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
netbill-cred TCP NetBill Credential Server - -
netbill-cred UDP NetBill Credential Server - -

Check what is listening on port 1614

Linux: is anything listening on TCP 1614?
sudo ss -tlnp 'sport = :1614'
Linux: UDP 1614
sudo ss -ulnp 'sport = :1614'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1614
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1614 '
Windows (Command Prompt)
netstat -ano | findstr :1614
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1614 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1614
From Windows
Test-NetConnection HOST -Port 1614
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1614

Block port 1614 in the firewall

ufw
sudo ufw deny 1614/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1614 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1614 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1614' -Direction Inbound -Protocol TCP -LocalPort 1614 -Action Block
ufw
sudo ufw deny 1614/udp
iptables
sudo iptables -A INPUT -p udp --dport 1614 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1614 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1614' -Direction Inbound -Protocol UDP -LocalPort 1614 -Action Block

Related ports

1612netbill-trans1613netbill-keyrep1615netbill-auth1616netbill-prod

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