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Port 1875 (westell-stats)

IANA assigns port 1875 to westell-stats: westell stats.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
westell-stats TCP westell stats Thomas McCabe -
westell-stats UDP westell stats Thomas McCabe -

Check what is listening on port 1875

Linux: is anything listening on TCP 1875?
sudo ss -tlnp 'sport = :1875'
Linux: UDP 1875
sudo ss -ulnp 'sport = :1875'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1875
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1875 '
Windows (Command Prompt)
netstat -ano | findstr :1875
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1875 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1875
From Windows
Test-NetConnection HOST -Port 1875
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1875

Block port 1875 in the firewall

ufw
sudo ufw deny 1875/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1875 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1875 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1875' -Direction Inbound -Protocol TCP -LocalPort 1875 -Action Block
ufw
sudo ufw deny 1875/udp
iptables
sudo iptables -A INPUT -p udp --dport 1875 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1875 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1875' -Direction Inbound -Protocol UDP -LocalPort 1875 -Action Block

Related ports

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