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Port 2572 (ibp)

IANA assigns port 2572 to ibp: IBP.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
ibp TCP IBP Jonathan Downes -
ibp UDP IBP Jonathan Downes -

Check what is listening on port 2572

Linux: is anything listening on TCP 2572?
sudo ss -tlnp 'sport = :2572'
Linux: UDP 2572
sudo ss -ulnp 'sport = :2572'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2572
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2572 '
Windows (Command Prompt)
netstat -ano | findstr :2572
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2572 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2572
From Windows
Test-NetConnection HOST -Port 2572
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2572

Block port 2572 in the firewall

ufw
sudo ufw deny 2572/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2572 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2572 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2572' -Direction Inbound -Protocol TCP -LocalPort 2572 -Action Block
ufw
sudo ufw deny 2572/udp
iptables
sudo iptables -A INPUT -p udp --dport 2572 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2572 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2572' -Direction Inbound -Protocol UDP -LocalPort 2572 -Action Block

Related ports

2570hs-port2571cecsvc2573trustestablish2574blockade-bpsp

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