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Port 2777 (ridgeway2)

IANA assigns port 2777 to ridgeway2: Ridgeway Systems & Software.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
ridgeway2 TCP Ridgeway Systems & Software Steve Read -
ridgeway2 UDP Ridgeway Systems & Software Steve Read -

Check what is listening on port 2777

Linux: is anything listening on TCP 2777?
sudo ss -tlnp 'sport = :2777'
Linux: UDP 2777
sudo ss -ulnp 'sport = :2777'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2777
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2777 '
Windows (Command Prompt)
netstat -ano | findstr :2777
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2777 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2777
From Windows
Test-NetConnection HOST -Port 2777
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2777

Block port 2777 in the firewall

ufw
sudo ufw deny 2777/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2777 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2777 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2777' -Direction Inbound -Protocol TCP -LocalPort 2777 -Action Block
ufw
sudo ufw deny 2777/udp
iptables
sudo iptables -A INPUT -p udp --dport 2777 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2777 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2777' -Direction Inbound -Protocol UDP -LocalPort 2777 -Action Block

Related ports

2775smpp2776ridgeway12778gwen-sonya2779lbc-sync

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