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Port 2050 (av-emb-config)

IANA assigns port 2050 to av-emb-config: Avaya EMB Config Port.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
av-emb-config TCP Avaya EMB Config Port John Yeager -
av-emb-config UDP Avaya EMB Config Port John Yeager -

Check what is listening on port 2050

Linux: is anything listening on TCP 2050?
sudo ss -tlnp 'sport = :2050'
Linux: UDP 2050
sudo ss -ulnp 'sport = :2050'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2050
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2050 '
Windows (Command Prompt)
netstat -ano | findstr :2050
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2050 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2050
From Windows
Test-NetConnection HOST -Port 2050
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2050

Block port 2050 in the firewall

ufw
sudo ufw deny 2050/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2050 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2050 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2050' -Direction Inbound -Protocol TCP -LocalPort 2050 -Action Block
ufw
sudo ufw deny 2050/udp
iptables
sudo iptables -A INPUT -p udp --dport 2050 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2050 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2050' -Direction Inbound -Protocol UDP -LocalPort 2050 -Action Block

Related ports

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