CyberHunter
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// Other services

Port 5412: Continuus

Port 5412 is assigned by IANA to continuus (Continuus).

5412

How continuus works

Other services
client:5412continuusresponse client:5412continuusresponse

The client sends a request to port 5412 and the continuus 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 5412 dangerous?

We have no specific security note for port 5412. 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 5412

ServicePortTransportDescriptionReferenceUpdated
continuus 5412 TCP, UDP Continuus - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 5412, and is it reachable?

Linux

sudo ss -ltnup 'sport = :5412'      # process listening on 5412
sudo lsof -nP -i :5412

macOS

sudo lsof -nP -i :5412

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 5412 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 5412
netstat -ano | findstr :5412

From another machine

nmap -p 5412 -sV <host>
sudo nmap -sU -p 5412 <host>
nc -zv <host> 5412

Block it in the firewall

sudo ufw deny 5412/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 5412" -Direction Inbound -LocalPort 5412 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 5412 used for?

Port 5412 is assigned by IANA to continuus (Continuus).

Is port 5412 TCP or UDP?

Port 5412 is registered for TCP and UDP.

Is it safe to open port 5412?

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 5412 is open?

On Linux run "ss -ltnup 'sport = :5412'", on macOS "lsof -nP -i :5412", and on Windows "netstat -ano | findstr :5412" to see the local process. From another machine, "nmap -p 5412 <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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