Port 2944 (megaco-h248)

IANA assigns port 2944 to megaco-h248: Megaco H-248.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference

megaco-h248 TCP Megaco H-248 Tom Taylor 2 -

megaco-h248 UDP Megaco H-248 Tom Taylor 2 -

megaco-h248 SCTP Megaco-H.248 text Tom Taylor 3 -

Registry dates for this port: registered 2006-09.

Linux: is anything listening on TCP 2944?

sudo ss -tlnp 'sport = :2944'

Linux: UDP 2944

sudo ss -ulnp 'sport = :2944'

Linux / macOS: which process owns the port

sudo lsof -nP -i :2944

Older Linux / BSD (net-tools)

sudo netstat -tlnp | grep ':2944 '

Windows (Command Prompt)

netstat -ano | findstr :2944

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2944 -State Listen | Select LocalAddress,OwningProcess

From another machine

nc -vz -w 5 HOST 2944

From Windows

Test-NetConnection HOST -Port 2944

UDP probe (no reply does not prove it is closed)

nc -vzu -w 5 HOST 2944

ufw

sudo ufw deny 2944/tcp

iptables

sudo iptables -A INPUT -p tcp --dport 2944 -j DROP

nftables

sudo nft add rule inet filter input tcp dport 2944 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block TCP 2944' -Direction Inbound -Protocol TCP -LocalPort 2944 -Action Block

ufw

sudo ufw deny 2944/udp

iptables

sudo iptables -A INPUT -p udp --dport 2944 -j DROP

nftables

sudo nft add rule inet filter input udp dport 2944 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block UDP 2944' -Direction Inbound -Protocol UDP -LocalPort 2944 -Action Block

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