IANA assigns port 2110 to umsp: UMSP.
sudo ss -tlnp 'sport = :2110'sudo ss -ulnp 'sport = :2110'sudo lsof -nP -i :2110sudo netstat -tlnp | grep ':2110 'netstat -ano | findstr :2110Get-NetTCPConnection -LocalPort 2110 -State Listen | Select LocalAddress,OwningProcessnc -vz -w 5 HOST 2110Test-NetConnection HOST -Port 2110nc -vzu -w 5 HOST 2110sudo ufw deny 2110/tcpsudo iptables -A INPUT -p tcp --dport 2110 -j DROPsudo nft add rule inet filter input tcp dport 2110 dropNew-NetFirewallRule -DisplayName 'Block TCP 2110' -Direction Inbound -Protocol TCP -LocalPort 2110 -Action Blocksudo ufw deny 2110/udpsudo iptables -A INPUT -p udp --dport 2110 -j DROPsudo nft add rule inet filter input udp dport 2110 dropNew-NetFirewallRule -DisplayName 'Block UDP 2110' -Direction Inbound -Protocol UDP -LocalPort 2110 -Action BlockAll port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.