HTTPfy

Port 2670 (tve-announce)

IANA assigns port 2670 to tve-announce: TVE Announce.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
tve-announce TCP TVE Announce Dean Blackketter -
tve-announce UDP TVE Announce Dean Blackketter -

Check what is listening on port 2670

Linux: is anything listening on TCP 2670?
sudo ss -tlnp 'sport = :2670'
Linux: UDP 2670
sudo ss -ulnp 'sport = :2670'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2670
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2670 '
Windows (Command Prompt)
netstat -ano | findstr :2670
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2670 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2670
From Windows
Test-NetConnection HOST -Port 2670
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2670

Block port 2670 in the firewall

ufw
sudo ufw deny 2670/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2670 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2670 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2670' -Direction Inbound -Protocol TCP -LocalPort 2670 -Action Block
ufw
sudo ufw deny 2670/udp
iptables
sudo iptables -A INPUT -p udp --dport 2670 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2670 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2670' -Direction Inbound -Protocol UDP -LocalPort 2670 -Action Block

Related ports

2668alarm-clock-c2669toad2671newlixreg2672nhserver

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