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Port 7674 (imqtunnels)

IANA assigns port 7674 to imqtunnels: iMQ SSL tunnel.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
imqtunnels TCP iMQ SSL tunnel Shailesh S Bavadeka -
imqtunnels UDP iMQ SSL tunnel Shailesh S Bavadeka -

Registry dates for this port: registered 2002-04.

Check what is listening on port 7674

Linux: is anything listening on TCP 7674?
sudo ss -tlnp 'sport = :7674'
Linux: UDP 7674
sudo ss -ulnp 'sport = :7674'
Linux / macOS: which process owns the port
sudo lsof -nP -i :7674
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':7674 '
Windows (Command Prompt)
netstat -ano | findstr :7674
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 7674 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 7674
From Windows
Test-NetConnection HOST -Port 7674
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 7674

Block port 7674 in the firewall

ufw
sudo ufw deny 7674/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 7674 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 7674 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 7674' -Direction Inbound -Protocol TCP -LocalPort 7674 -Action Block
ufw
sudo ufw deny 7674/udp
iptables
sudo iptables -A INPUT -p udp --dport 7674 -j DROP
nftables
sudo nft add rule inet filter input udp dport 7674 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 7674' -Direction Inbound -Protocol UDP -LocalPort 7674 -Action Block

Related ports

7672imqstomp7673imqstomps7675imqtunnel7676imqbrokerd

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