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Port 1008 (Possibly used by Sun Solaris????)

IANA assigns port 1008 to Possibly used by Sun Solaris????.

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

Port 1008 is normally used over UDP; the checker tests TCP only, so a "filtered" result does not mean the UDP service is down.

IANA assignment

Service nameProtoDescriptionAssigneeReference
- UDP Possibly used by Sun Solaris???? - -

Check what is listening on port 1008

Linux: UDP 1008
sudo ss -ulnp 'sport = :1008'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1008
Windows (Command Prompt)
netstat -ano | findstr :1008
Windows (PowerShell)
Get-NetUDPEndpoint -LocalPort 1008

Test it from outside

UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1008

Block port 1008 in the firewall

ufw
sudo ufw deny 1008/udp
iptables
sudo iptables -A INPUT -p udp --dport 1008 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1008 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1008' -Direction Inbound -Protocol UDP -LocalPort 1008 -Action Block

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