IANA assigns port 2330 to tscchat: TSCCHAT.
sudo ss -tlnp 'sport = :2330'sudo ss -ulnp 'sport = :2330'sudo lsof -nP -i :2330sudo netstat -tlnp | grep ':2330 'netstat -ano | findstr :2330Get-NetTCPConnection -LocalPort 2330 -State Listen | Select LocalAddress,OwningProcessnc -vz -w 5 HOST 2330Test-NetConnection HOST -Port 2330nc -vzu -w 5 HOST 2330sudo ufw deny 2330/tcpsudo iptables -A INPUT -p tcp --dport 2330 -j DROPsudo nft add rule inet filter input tcp dport 2330 dropNew-NetFirewallRule -DisplayName 'Block TCP 2330' -Direction Inbound -Protocol TCP -LocalPort 2330 -Action Blocksudo ufw deny 2330/udpsudo iptables -A INPUT -p udp --dport 2330 -j DROPsudo nft add rule inet filter input udp dport 2330 dropNew-NetFirewallRule -DisplayName 'Block UDP 2330' -Direction Inbound -Protocol UDP -LocalPort 2330 -Action BlockAll port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.