IANA assigns port 2631 to sitaradir: Sitara Dir.
sudo ss -tlnp 'sport = :2631'sudo ss -ulnp 'sport = :2631'sudo lsof -nP -i :2631sudo netstat -tlnp | grep ':2631 'netstat -ano | findstr :2631Get-NetTCPConnection -LocalPort 2631 -State Listen | Select LocalAddress,OwningProcessnc -vz -w 5 HOST 2631Test-NetConnection HOST -Port 2631nc -vzu -w 5 HOST 2631sudo ufw deny 2631/tcpsudo iptables -A INPUT -p tcp --dport 2631 -j DROPsudo nft add rule inet filter input tcp dport 2631 dropNew-NetFirewallRule -DisplayName 'Block TCP 2631' -Direction Inbound -Protocol TCP -LocalPort 2631 -Action Blocksudo ufw deny 2631/udpsudo iptables -A INPUT -p udp --dport 2631 -j DROPsudo nft add rule inet filter input udp dport 2631 dropNew-NetFirewallRule -DisplayName 'Block UDP 2631' -Direction Inbound -Protocol UDP -LocalPort 2631 -Action BlockAll port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.