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Port 1708 (gat-lmd)

IANA assigns port 1708 to gat-lmd.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
gat-lmd TCP gat-lmd Igor Zaoutine -
gat-lmd UDP gat-lmd Igor Zaoutine -

Check what is listening on port 1708

Linux: is anything listening on TCP 1708?
sudo ss -tlnp 'sport = :1708'
Linux: UDP 1708
sudo ss -ulnp 'sport = :1708'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1708
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1708 '
Windows (Command Prompt)
netstat -ano | findstr :1708
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1708 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1708
From Windows
Test-NetConnection HOST -Port 1708
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1708

Block port 1708 in the firewall

ufw
sudo ufw deny 1708/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1708 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1708 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1708' -Direction Inbound -Protocol TCP -LocalPort 1708 -Action Block
ufw
sudo ufw deny 1708/udp
iptables
sudo iptables -A INPUT -p udp --dport 1708 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1708 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1708' -Direction Inbound -Protocol UDP -LocalPort 1708 -Action Block

Related ports

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