HTTPfy

Port 5580 (tmosms0)

IANA assigns port 5580 to tmosms0: T-Mobile SMS Protocol Message 0.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
tmosms0 TCP T-Mobile SMS Protocol Message 0 Ezinne Oji -
tmosms0 UDP T-Mobile SMS Protocol Message 0 Ezinne Oji -

Registry dates for this port: registered 2006-06.

Check what is listening on port 5580

Linux: is anything listening on TCP 5580?
sudo ss -tlnp 'sport = :5580'
Linux: UDP 5580
sudo ss -ulnp 'sport = :5580'
Linux / macOS: which process owns the port
sudo lsof -nP -i :5580
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':5580 '
Windows (Command Prompt)
netstat -ano | findstr :5580
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5580 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 5580
From Windows
Test-NetConnection HOST -Port 5580
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 5580

Block port 5580 in the firewall

ufw
sudo ufw deny 5580/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 5580 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 5580 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 5580' -Direction Inbound -Protocol TCP -LocalPort 5580 -Action Block
ufw
sudo ufw deny 5580/udp
iptables
sudo iptables -A INPUT -p udp --dport 5580 -j DROP
nftables
sudo nft add rule inet filter input udp dport 5580 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 5580' -Direction Inbound -Protocol UDP -LocalPort 5580 -Action Block

Related ports

5575ora-oap5579fdtracks5581tmosms15582fac-restore

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