HTTPfy

Port 568 (ms-shuttle)

IANA assigns port 568 to ms-shuttle: microsoft shuttle.

Well-known (system) port, 0-1023 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
ms-shuttle TCP microsoft shuttle Rudolph Balaz -
ms-shuttle UDP microsoft shuttle Rudolph Balaz -

Check what is listening on port 568

Linux: is anything listening on TCP 568?
sudo ss -tlnp 'sport = :568'
Linux: UDP 568
sudo ss -ulnp 'sport = :568'
Linux / macOS: which process owns the port
sudo lsof -nP -i :568
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':568 '
Windows (Command Prompt)
netstat -ano | findstr :568
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 568 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 568
From Windows
Test-NetConnection HOST -Port 568
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 568

Block port 568 in the firewall

ufw
sudo ufw deny 568/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 568 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 568 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 568' -Direction Inbound -Protocol TCP -LocalPort 568 -Action Block
ufw
sudo ufw deny 568/udp
iptables
sudo iptables -A INPUT -p udp --dport 568 -j DROP
nftables
sudo nft add rule inet filter input udp dport 568 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 568' -Direction Inbound -Protocol UDP -LocalPort 568 -Action Block

Related ports

566streettalk567banyan-rpc569ms-rome570meter

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