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Port 2677 (gadgetgate1way)

IANA assigns port 2677 to gadgetgate1way: Gadget Gate 1 Way.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
gadgetgate1way TCP Gadget Gate 1 Way - -
gadgetgate1way UDP Gadget Gate 1 Way - -

Check what is listening on port 2677

Linux: is anything listening on TCP 2677?
sudo ss -tlnp 'sport = :2677'
Linux: UDP 2677
sudo ss -ulnp 'sport = :2677'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2677
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2677 '
Windows (Command Prompt)
netstat -ano | findstr :2677
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2677 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2677
From Windows
Test-NetConnection HOST -Port 2677
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2677

Block port 2677 in the firewall

ufw
sudo ufw deny 2677/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2677 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2677 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2677' -Direction Inbound -Protocol TCP -LocalPort 2677 -Action Block
ufw
sudo ufw deny 2677/udp
iptables
sudo iptables -A INPUT -p udp --dport 2677 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2677 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2677' -Direction Inbound -Protocol UDP -LocalPort 2677 -Action Block

Related ports

2675ttc-etap2676simslink2678gadgetgate2way2679syncserverssl

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