IANA assigns port 2077 to tsrmagt: Old Tivoli Storage Manager.
sudo ss -tlnp 'sport = :2077'sudo ss -ulnp 'sport = :2077'sudo lsof -nP -i :2077sudo netstat -tlnp | grep ':2077 'netstat -ano | findstr :2077Get-NetTCPConnection -LocalPort 2077 -State Listen | Select LocalAddress,OwningProcessnc -vz -w 5 HOST 2077Test-NetConnection HOST -Port 2077nc -vzu -w 5 HOST 2077sudo ufw deny 2077/tcpsudo iptables -A INPUT -p tcp --dport 2077 -j DROPsudo nft add rule inet filter input tcp dport 2077 dropNew-NetFirewallRule -DisplayName 'Block TCP 2077' -Direction Inbound -Protocol TCP -LocalPort 2077 -Action Blocksudo ufw deny 2077/udpsudo iptables -A INPUT -p udp --dport 2077 -j DROPsudo nft add rule inet filter input udp dport 2077 dropNew-NetFirewallRule -DisplayName 'Block UDP 2077' -Direction Inbound -Protocol UDP -LocalPort 2077 -Action BlockAll port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.