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Port 4563 (amahi-anywhere)

IANA assigns port 4563 to amahi-anywhere: Amahi Anywhere.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference
amahi-anywhere TCP Amahi Anywhere Amahi -

Registry dates for this port: registered 2014-02-27.

Check what is listening on port 4563

Linux: is anything listening on TCP 4563?
sudo ss -tlnp 'sport = :4563'
Linux / macOS: which process owns the port
sudo lsof -nP -i :4563
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':4563 '
Windows (Command Prompt)
netstat -ano | findstr :4563
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 4563 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 4563
From Windows
Test-NetConnection HOST -Port 4563

Block port 4563 in the firewall

ufw
sudo ufw deny 4563/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 4563 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 4563 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 4563' -Direction Inbound -Protocol TCP -LocalPort 4563 -Action Block

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