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Port 3169 (serverview-as)

IANA assigns port 3169 to serverview-as: SERVERVIEW-AS.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
serverview-as TCP SERVERVIEW-AS - -
serverview-as UDP SERVERVIEW-AS - -

Check what is listening on port 3169

Linux: is anything listening on TCP 3169?
sudo ss -tlnp 'sport = :3169'
Linux: UDP 3169
sudo ss -ulnp 'sport = :3169'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3169
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3169 '
Windows (Command Prompt)
netstat -ano | findstr :3169
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3169 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3169
From Windows
Test-NetConnection HOST -Port 3169
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3169

Block port 3169 in the firewall

ufw
sudo ufw deny 3169/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3169 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3169 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3169' -Direction Inbound -Protocol TCP -LocalPort 3169 -Action Block
ufw
sudo ufw deny 3169/udp
iptables
sudo iptables -A INPUT -p udp --dport 3169 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3169 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3169' -Direction Inbound -Protocol UDP -LocalPort 3169 -Action Block

Related ports

3167nowcontact3168poweronnud3170serverview-asn3171serverview-gf

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