HTTPfy

Port 1290 (winjaserver)

IANA assigns port 1290 to winjaserver: WinJaServer.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
winjaserver TCP WinJaServer - -
winjaserver UDP WinJaServer - -

Check what is listening on port 1290

Linux: is anything listening on TCP 1290?
sudo ss -tlnp 'sport = :1290'
Linux: UDP 1290
sudo ss -ulnp 'sport = :1290'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1290
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1290 '
Windows (Command Prompt)
netstat -ano | findstr :1290
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1290 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1290
From Windows
Test-NetConnection HOST -Port 1290
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1290

Block port 1290 in the firewall

ufw
sudo ufw deny 1290/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1290 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1290 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1290' -Direction Inbound -Protocol TCP -LocalPort 1290 -Action Block
ufw
sudo ufw deny 1290/udp
iptables
sudo iptables -A INPUT -p udp --dport 1290 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1290 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1290' -Direction Inbound -Protocol UDP -LocalPort 1290 -Action Block

Related ports

1288navbuddy1289jwalkserver1291seagulllms1292dsdn

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