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Port 3171 (serverview-gf)

IANA assigns port 3171 to serverview-gf: SERVERVIEW-GF.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
serverview-gf TCP SERVERVIEW-GF - -
serverview-gf UDP SERVERVIEW-GF - -

Check what is listening on port 3171

Linux: is anything listening on TCP 3171?
sudo ss -tlnp 'sport = :3171'
Linux: UDP 3171
sudo ss -ulnp 'sport = :3171'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3171
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3171 '
Windows (Command Prompt)
netstat -ano | findstr :3171
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3171 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3171
From Windows
Test-NetConnection HOST -Port 3171
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3171

Block port 3171 in the firewall

ufw
sudo ufw deny 3171/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3171 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3171 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3171' -Direction Inbound -Protocol TCP -LocalPort 3171 -Action Block
ufw
sudo ufw deny 3171/udp
iptables
sudo iptables -A INPUT -p udp --dport 3171 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3171 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3171' -Direction Inbound -Protocol UDP -LocalPort 3171 -Action Block

Related ports

3169serverview-as3170serverview-asn3172serverview-rm3173serverview-icc

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