Port 11623 (emc-xsw-dconfig)

IANA assigns port 11623 to emc-xsw-dconfig: EMC XtremSW distributed config.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference

emc-xsw-dconfig TCP EMC XtremSW distributed config EMC -

Registry dates for this port: registered 2013-09-18.

Linux: is anything listening on TCP 11623?

sudo ss -tlnp 'sport = :11623'

Linux / macOS: which process owns the port

sudo lsof -nP -i :11623

Older Linux / BSD (net-tools)

sudo netstat -tlnp | grep ':11623 '

Windows (Command Prompt)

netstat -ano | findstr :11623

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 11623 -State Listen | Select LocalAddress,OwningProcess

From another machine

nc -vz -w 5 HOST 11623

From Windows

Test-NetConnection HOST -Port 11623

ufw

sudo ufw deny 11623/tcp

iptables

sudo iptables -A INPUT -p tcp --dport 11623 -j DROP

nftables

sudo nft add rule inet filter input tcp dport 11623 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block TCP 11623' -Direction Inbound -Protocol TCP -LocalPort 11623 -Action Block

All port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.