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Port 7673 (imqstomps)

IANA assigns port 7673 to imqstomps: iMQ STOMP Server over SSL.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference
imqstomps TCP iMQ STOMP Server over SSL Amy Kang -

Registry dates for this port: registered 2009-03-10.

Check what is listening on port 7673

Linux: is anything listening on TCP 7673?
sudo ss -tlnp 'sport = :7673'
Linux / macOS: which process owns the port
sudo lsof -nP -i :7673
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':7673 '
Windows (Command Prompt)
netstat -ano | findstr :7673
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 7673 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 7673
From Windows
Test-NetConnection HOST -Port 7673

Block port 7673 in the firewall

ufw
sudo ufw deny 7673/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 7673 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 7673 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 7673' -Direction Inbound -Protocol TCP -LocalPort 7673 -Action Block

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7668authoritygate7672imqstomp7674imqtunnels7675imqtunnel

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