HTTPfy

Port 5073 (tag-pm)

IANA assigns port 5073 to tag-pm: Advantage Group Port Mgr.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
tag-pm TCP Advantage Group Port Mgr James Goddard -
tag-pm UDP Advantage Group Port Mgr James Goddard -

Registry dates for this port: registered 2005-08.

Check what is listening on port 5073

Linux: is anything listening on TCP 5073?
sudo ss -tlnp 'sport = :5073'
Linux: UDP 5073
sudo ss -ulnp 'sport = :5073'
Linux / macOS: which process owns the port
sudo lsof -nP -i :5073
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':5073 '
Windows (Command Prompt)
netstat -ano | findstr :5073
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 5073 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 5073
From Windows
Test-NetConnection HOST -Port 5073
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 5073

Block port 5073 in the firewall

ufw
sudo ufw deny 5073/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 5073 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 5073 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 5073' -Direction Inbound -Protocol TCP -LocalPort 5073 -Action Block
ufw
sudo ufw deny 5073/udp
iptables
sudo iptables -A INPUT -p udp --dport 5073 -j DROP
nftables
sudo nft add rule inet filter input udp dport 5073 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 5073' -Direction Inbound -Protocol UDP -LocalPort 5073 -Action Block

Related ports

5071powerschool5072ayiya5074alesquery5075pvaccess

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