HTTPfy

Port 1559 (web2host)

IANA assigns port 1559 to web2host.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
web2host TCP web2host Stephen Johnson -
web2host UDP web2host Stephen Johnson -

Check what is listening on port 1559

Linux: is anything listening on TCP 1559?
sudo ss -tlnp 'sport = :1559'
Linux: UDP 1559
sudo ss -ulnp 'sport = :1559'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1559
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1559 '
Windows (Command Prompt)
netstat -ano | findstr :1559
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1559 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1559
From Windows
Test-NetConnection HOST -Port 1559
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1559

Block port 1559 in the firewall

ufw
sudo ufw deny 1559/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1559 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1559 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1559' -Direction Inbound -Protocol TCP -LocalPort 1559 -Action Block
ufw
sudo ufw deny 1559/udp
iptables
sudo iptables -A INPUT -p udp --dport 1559 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1559 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1559' -Direction Inbound -Protocol UDP -LocalPort 1559 -Action Block

Related ports

1557arbortext-lm1558xingmpeg1560asci-val1561facilityview

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