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// Other services

Port 5145: RMONITOR SECURE

Port 5145 is assigned by IANA to rmonitor_secure (RMONITOR SECURE), rmonitor-secure (RMONITOR SECURE IANA assigned this well-formed service name as a replacement for "rmonitor_secure".).

5145

How rmonitor_secure works

Other services
client:5145rmonitor_secureresponse client:5145rmonitor_secureresponse

The client sends a request to port 5145 and the rmonitor_secure service answers.

Transport
TCP · UDP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned2 registered services
Range
Registered (1024-49151)
Category
Other services
01 Security

Is port 5145 dangerous?

We have no specific security note for port 5145. 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 5145

ServicePortTransportDescriptionReferenceUpdated
rmonitor_secure 5145 TCP, UDP RMONITOR SECURE - -
rmonitor-secure 5145 TCP, UDP RMONITOR SECURE IANA assigned this well-formed service name as a replacement for "rmonitor_secure". - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 5145, and is it reachable?

Linux

sudo ss -ltnup 'sport = :5145'      # process listening on 5145
sudo lsof -nP -i :5145

macOS

sudo lsof -nP -i :5145

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 5145 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 5145
netstat -ano | findstr :5145

From another machine

nmap -p 5145 -sV <host>
sudo nmap -sU -p 5145 <host>
nc -zv <host> 5145

Block it in the firewall

sudo ufw deny 5145/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 5145" -Direction Inbound -LocalPort 5145 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 5145 used for?

Port 5145 is assigned by IANA to rmonitor_secure (RMONITOR SECURE), rmonitor-secure (RMONITOR SECURE IANA assigned this well-formed service name as a replacement for "rmonitor_secure".).

Is port 5145 TCP or UDP?

Port 5145 is registered for TCP and UDP.

Is it safe to open port 5145?

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 5145 is open?

On Linux run "ss -ltnup 'sport = :5145'", on macOS "lsof -nP -i :5145", and on Windows "netstat -ano | findstr :5145" to see the local process. From another machine, "nmap -p 5145 <host>" shows whether it is reachable.

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