CyberHunter
Local dataset, no network
// Other services

Port 5073: Advantage Group Port Mgr

Port 5073 is assigned by IANA to tag-pm (Advantage Group Port Mgr).

5073

How tag-pm works

Other services
client:5073tag-pmresponse client:5073tag-pmresponse

The client sends a request to port 5073 and the tag-pm service answers.

Transport
TCP · UDP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned1 registered service
Range
Registered (1024-49151)
Category
Other services
01 Security

Is port 5073 dangerous?

We have no specific security note for port 5073. Its risk depends on the program actually listening on it. General advice for other services services:

  • Close the port if nothing on the host needs it.
  • Identify the process that listens on it (commands below) before opening it in a firewall.
  • Expose a service only to the networks that use it.
02 Registry

IANA registry entries for port 5073

ServicePortTransportDescriptionReferenceUpdated
tag-pm 5073 TCP, UDP Advantage Group Port Mgr - 2005-08

// source: IANA service name and port number registry

03 Check it

Which program uses port 5073, and is it reachable?

Linux

sudo ss -ltnup 'sport = :5073'      # process listening on 5073
sudo lsof -nP -i :5073

macOS

sudo lsof -nP -i :5073

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 5073 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 5073
netstat -ano | findstr :5073

From another machine

nmap -p 5073 -sV <host>
sudo nmap -sU -p 5073 <host>
nc -zv <host> 5073

Block it in the firewall

sudo ufw deny 5073/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 5073" -Direction Inbound -LocalPort 5073 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 5073 used for?

Port 5073 is assigned by IANA to tag-pm (Advantage Group Port Mgr).

Is port 5073 TCP or UDP?

Port 5073 is registered for TCP and UDP.

Is it safe to open port 5073?

It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Close the port if nothing on the host needs it.

How do I check if port 5073 is open?

On Linux run "ss -ltnup 'sport = :5073'", on macOS "lsof -nP -i :5073", and on Windows "netstat -ano | findstr :5073" to see the local process. From another machine, "nmap -p 5073 <host>" shows whether it is reachable.

05 Related
:4444 Metasploit default / krb524 tcp · udp · high risk :31337 Back Orifice / elite tcp · udp · high risk :1 TCP Port Service Multiplexer tcp · udp :5 Remote Job Entry tcp · udp :9 Discard tcp · udp · sctp · dccp :11 Active Users tcp · udp :17 Quote of the Day tcp · udp :18 Message Send Protocol (historic) tcp · udp

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