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Port 2844 (bpcp-poll)

IANA assigns port 2844 to bpcp-poll: BPCP POLL.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
bpcp-poll TCP BPCP POLL - -
bpcp-poll UDP BPCP POLL - -

Check what is listening on port 2844

Linux: is anything listening on TCP 2844?
sudo ss -tlnp 'sport = :2844'
Linux: UDP 2844
sudo ss -ulnp 'sport = :2844'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2844
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2844 '
Windows (Command Prompt)
netstat -ano | findstr :2844
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2844 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2844
From Windows
Test-NetConnection HOST -Port 2844
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2844

Block port 2844 in the firewall

ufw
sudo ufw deny 2844/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2844 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2844 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2844' -Direction Inbound -Protocol TCP -LocalPort 2844 -Action Block
ufw
sudo ufw deny 2844/udp
iptables
sudo iptables -A INPUT -p udp --dport 2844 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2844 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2844' -Direction Inbound -Protocol UDP -LocalPort 2844 -Action Block

Related ports

2842l3-hawk2843pdnet2845bpcp-trap2846aimpp-hello

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