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Port 3614 (sigma-port)

IANA assigns port 3614 to sigma-port: Satchwell Sigma.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
sigma-port TCP Satchwell Sigma Dave Chapman -
sigma-port UDP Satchwell Sigma Dave Chapman -

Registry dates for this port: registered 2011-06-06.

Check what is listening on port 3614

Linux: is anything listening on TCP 3614?
sudo ss -tlnp 'sport = :3614'
Linux: UDP 3614
sudo ss -ulnp 'sport = :3614'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3614
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3614 '
Windows (Command Prompt)
netstat -ano | findstr :3614
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3614 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3614
From Windows
Test-NetConnection HOST -Port 3614
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3614

Block port 3614 in the firewall

ufw
sudo ufw deny 3614/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3614 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3614 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3614' -Direction Inbound -Protocol TCP -LocalPort 3614 -Action Block
ufw
sudo ufw deny 3614/udp
iptables
sudo iptables -A INPUT -p udp --dport 3614 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3614 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3614' -Direction Inbound -Protocol UDP -LocalPort 3614 -Action Block

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3612dataprotector3613alaris-disc3615start-network3616cd3o-protocol

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