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Port 24577 (bilobit, bilobit-update)

IANA assigns port 24577 to bilobit, bilobit-update: bilobit Service.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
bilobit TCP bilobit Service bilobit GmbH -
bilobit-update UDP bilobit Service Update bilobit GmbH -

Registry dates for this port: registered 2014-08-15.

Check what is listening on port 24577

Linux: is anything listening on TCP 24577?
sudo ss -tlnp 'sport = :24577'
Linux: UDP 24577
sudo ss -ulnp 'sport = :24577'
Linux / macOS: which process owns the port
sudo lsof -nP -i :24577
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':24577 '
Windows (Command Prompt)
netstat -ano | findstr :24577
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 24577 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 24577
From Windows
Test-NetConnection HOST -Port 24577
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 24577

Block port 24577 in the firewall

ufw
sudo ufw deny 24577/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 24577 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 24577 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 24577' -Direction Inbound -Protocol TCP -LocalPort 24577 -Action Block
ufw
sudo ufw deny 24577/udp
iptables
sudo iptables -A INPUT -p udp --dport 24577 -j DROP
nftables
sudo nft add rule inet filter input udp dport 24577 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 24577' -Direction Inbound -Protocol UDP -LocalPort 24577 -Action Block

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