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Port 3179 (h2gf-w-2m)

IANA assigns port 3179 to h2gf-w-2m: H2GF W.2m Handover prot..

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
h2gf-w-2m TCP H2GF W.2m Handover prot. Arne Norefors -
h2gf-w-2m UDP H2GF W.2m Handover prot. Arne Norefors -

Check what is listening on port 3179

Linux: is anything listening on TCP 3179?
sudo ss -tlnp 'sport = :3179'
Linux: UDP 3179
sudo ss -ulnp 'sport = :3179'
Linux / macOS: which process owns the port
sudo lsof -nP -i :3179
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':3179 '
Windows (Command Prompt)
netstat -ano | findstr :3179
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 3179 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 3179
From Windows
Test-NetConnection HOST -Port 3179
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 3179

Block port 3179 in the firewall

ufw
sudo ufw deny 3179/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 3179 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 3179 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 3179' -Direction Inbound -Protocol TCP -LocalPort 3179 -Action Block
ufw
sudo ufw deny 3179/udp
iptables
sudo iptables -A INPUT -p udp --dport 3179 -j DROP
nftables
sudo nft add rule inet filter input udp dport 3179 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 3179' -Direction Inbound -Protocol UDP -LocalPort 3179 -Action Block

Related ports

3177phonex-port3178radclientport3180mc-brk-srv3181bmcpatrolagent

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