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Port 3156 (indura)

IANA assigns port 3156 to indura: Indura Collector.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
indura TCP Indura Collector Bruce Kosbab -
indura UDP Indura Collector Bruce Kosbab -

Check what is listening on port 3156

Linux: is anything listening on TCP 3156?
sudo ss -tlnp 'sport = :3156'
Linux: UDP 3156
sudo ss -ulnp 'sport = :3156'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3156
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3156 '
Windows (Command Prompt)
netstat -ano | findstr :3156
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3156 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3156
From Windows
Test-NetConnection HOST -Port 3156
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3156

Block port 3156 in the firewall

ufw
sudo ufw deny 3156/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3156 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3156 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3156' -Direction Inbound -Protocol TCP -LocalPort 3156 -Action Block
ufw
sudo ufw deny 3156/udp
iptables
sudo iptables -A INPUT -p udp --dport 3156 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3156 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3156' -Direction Inbound -Protocol UDP -LocalPort 3156 -Action Block

Related ports

3154ccmrmi3155jpegmpeg3157lsa-comm3158stvp

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