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Port 3173 (serverview-icc)

IANA assigns port 3173 to serverview-icc: SERVERVIEW-ICC.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
serverview-icc TCP SERVERVIEW-ICC Detlef Rothe -
serverview-icc UDP SERVERVIEW-ICC Detlef Rothe -

Registry dates for this port: registered 2009-05-15.

Check what is listening on port 3173

Linux: is anything listening on TCP 3173?
sudo ss -tlnp 'sport = :3173'
Linux: UDP 3173
sudo ss -ulnp 'sport = :3173'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3173
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3173 '
Windows (Command Prompt)
netstat -ano | findstr :3173
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3173 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3173
From Windows
Test-NetConnection HOST -Port 3173
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3173

Block port 3173 in the firewall

ufw
sudo ufw deny 3173/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3173 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3173 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3173' -Direction Inbound -Protocol TCP -LocalPort 3173 -Action Block
ufw
sudo ufw deny 3173/udp
iptables
sudo iptables -A INPUT -p udp --dport 3173 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3173 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3173' -Direction Inbound -Protocol UDP -LocalPort 3173 -Action Block

Related ports

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