IANA assigns port 2790 to plgproxy: PLG Proxy.
sudo ss -tlnp 'sport = :2790'sudo ss -ulnp 'sport = :2790'sudo lsof -nP -i :2790sudo netstat -tlnp | grep ':2790 'netstat -ano | findstr :2790Get-NetTCPConnection -LocalPort 2790 -State Listen | Select LocalAddress,OwningProcessnc -vz -w 5 HOST 2790Test-NetConnection HOST -Port 2790nc -vzu -w 5 HOST 2790sudo ufw deny 2790/tcpsudo iptables -A INPUT -p tcp --dport 2790 -j DROPsudo nft add rule inet filter input tcp dport 2790 dropNew-NetFirewallRule -DisplayName 'Block TCP 2790' -Direction Inbound -Protocol TCP -LocalPort 2790 -Action Blocksudo ufw deny 2790/udpsudo iptables -A INPUT -p udp --dport 2790 -j DROPsudo nft add rule inet filter input udp dport 2790 dropNew-NetFirewallRule -DisplayName 'Block UDP 2790' -Direction Inbound -Protocol UDP -LocalPort 2790 -Action BlockAll port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.