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Port 8675 (msi-cps-rm, msi-cps-rm-disc)

IANA assigns port 8675 to msi-cps-rm, msi-cps-rm-disc: Motorola Solutions Customer Programming Software for Radio Management.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
msi-cps-rm TCP Motorola Solutions Customer Programming Software for Radio Management Motorola Solutions Inc -
msi-cps-rm-disc UDP Motorola Solutions Customer Programming Software for Radio Management Discovery Motorola Solutions Inc -

Registry dates for this port: registered 2012-03-14.

Check what is listening on port 8675

Linux: is anything listening on TCP 8675?
sudo ss -tlnp 'sport = :8675'
Linux: UDP 8675
sudo ss -ulnp 'sport = :8675'
Linux / macOS: which process owns the port
sudo lsof -nP -i :8675
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':8675 '
Windows (Command Prompt)
netstat -ano | findstr :8675
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 8675 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 8675
From Windows
Test-NetConnection HOST -Port 8675
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 8675

Block port 8675 in the firewall

ufw
sudo ufw deny 8675/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 8675 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 8675 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 8675' -Direction Inbound -Protocol TCP -LocalPort 8675 -Action Block
ufw
sudo ufw deny 8675/udp
iptables
sudo iptables -A INPUT -p udp --dport 8675 -j DROP
nftables
sudo nft add rule inet filter input udp dport 8675 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 8675' -Direction Inbound -Protocol UDP -LocalPort 8675 -Action Block

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Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.