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Port 2966 (idp-infotrieve)

IANA assigns port 2966 to idp-infotrieve: IDP-INFOTRIEVE.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
idp-infotrieve TCP IDP-INFOTRIEVE Kevin Bruckert -
idp-infotrieve UDP IDP-INFOTRIEVE Kevin Bruckert -

Check what is listening on port 2966

Linux: is anything listening on TCP 2966?
sudo ss -tlnp 'sport = :2966'
Linux: UDP 2966
sudo ss -ulnp 'sport = :2966'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2966
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2966 '
Windows (Command Prompt)
netstat -ano | findstr :2966
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2966 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2966
From Windows
Test-NetConnection HOST -Port 2966
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2966

Block port 2966 in the firewall

ufw
sudo ufw deny 2966/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2966 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2966 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2966' -Direction Inbound -Protocol TCP -LocalPort 2966 -Action Block
ufw
sudo ufw deny 2966/udp
iptables
sudo iptables -A INPUT -p udp --dport 2966 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2966 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2966' -Direction Inbound -Protocol UDP -LocalPort 2966 -Action Block

Related ports

2964bullant-srap2965bullant-rap2967ssc-agent2968enpp

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