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Port 5072 (ayiya)

IANA assigns port 5072 to ayiya: Anything In Anything.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
ayiya TCP Anything In Anything Jeroen Massar -
ayiya UDP Anything In Anything Jeroen Massar -

Registry dates for this port: registered 2005-08.

Check what is listening on port 5072

Linux: is anything listening on TCP 5072?
sudo ss -tlnp 'sport = :5072'
Linux: UDP 5072
sudo ss -ulnp 'sport = :5072'
Linux / macOS: which process owns the port
sudo lsof -nP -i :5072
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':5072 '
Windows (Command Prompt)
netstat -ano | findstr :5072
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5072 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 5072
From Windows
Test-NetConnection HOST -Port 5072
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 5072

Block port 5072 in the firewall

ufw
sudo ufw deny 5072/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 5072 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 5072 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 5072' -Direction Inbound -Protocol TCP -LocalPort 5072 -Action Block
ufw
sudo ufw deny 5072/udp
iptables
sudo iptables -A INPUT -p udp --dport 5072 -j DROP
nftables
sudo nft add rule inet filter input udp dport 5072 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 5072' -Direction Inbound -Protocol UDP -LocalPort 5072 -Action Block

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