IANA assigns port 2893 to vseconnector: VSECONNECTOR.
sudo ss -tlnp 'sport = :2893'sudo ss -ulnp 'sport = :2893'sudo lsof -nP -i :2893sudo netstat -tlnp | grep ':2893 'netstat -ano | findstr :2893Get-NetTCPConnection -LocalPort 2893 -State Listen | Select LocalAddress,OwningProcessnc -vz -w 5 HOST 2893Test-NetConnection HOST -Port 2893nc -vzu -w 5 HOST 2893sudo ufw deny 2893/tcpsudo iptables -A INPUT -p tcp --dport 2893 -j DROPsudo nft add rule inet filter input tcp dport 2893 dropNew-NetFirewallRule -DisplayName 'Block TCP 2893' -Direction Inbound -Protocol TCP -LocalPort 2893 -Action Blocksudo ufw deny 2893/udpsudo iptables -A INPUT -p udp --dport 2893 -j DROPsudo nft add rule inet filter input udp dport 2893 dropNew-NetFirewallRule -DisplayName 'Block UDP 2893' -Direction Inbound -Protocol UDP -LocalPort 2893 -Action BlockAll port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.