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Port 3075 (orbix-locator)

IANA assigns port 3075 to orbix-locator: Orbix 2000 Locator.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
orbix-locator TCP Orbix 2000 Locator - -
orbix-locator UDP Orbix 2000 Locator - -

Check what is listening on port 3075

Linux: is anything listening on TCP 3075?
sudo ss -tlnp 'sport = :3075'
Linux: UDP 3075
sudo ss -ulnp 'sport = :3075'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3075
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3075 '
Windows (Command Prompt)
netstat -ano | findstr :3075
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3075 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3075
From Windows
Test-NetConnection HOST -Port 3075
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3075

Block port 3075 in the firewall

ufw
sudo ufw deny 3075/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3075 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3075 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3075' -Direction Inbound -Protocol TCP -LocalPort 3075 -Action Block
ufw
sudo ufw deny 3075/udp
iptables
sudo iptables -A INPUT -p udp --dport 3075 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3075 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3075' -Direction Inbound -Protocol UDP -LocalPort 3075 -Action Block

Related ports

3073vcrp3074Xbox network / Call of Duty3076orbix-config3077orbix-loc-ssl

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