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// Other services

Port 1438: Eicon Security Agent/Server

Port 1438 is assigned by IANA to eicon-server (Eicon Security Agent/Server).

1438

How eicon-server works

Other services
client:1438eicon-serverresponse client:1438eicon-serverresponse

The client sends a request to port 1438 and the eicon-server 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 1438 dangerous?

We have no specific security note for port 1438. 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 1438

ServicePortTransportDescriptionReferenceUpdated
eicon-server 1438 TCP, UDP Eicon Security Agent/Server - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1438, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1438'      # process listening on 1438
sudo lsof -nP -i :1438

macOS

sudo lsof -nP -i :1438

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1438 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1438
netstat -ano | findstr :1438

From another machine

nmap -p 1438 -sV <host>
sudo nmap -sU -p 1438 <host>
nc -zv <host> 1438

Block it in the firewall

sudo ufw deny 1438/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1438" -Direction Inbound -LocalPort 1438 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1438 used for?

Port 1438 is assigned by IANA to eicon-server (Eicon Security Agent/Server).

Is port 1438 TCP or UDP?

Port 1438 is registered for TCP and UDP.

Is it safe to open port 1438?

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 1438 is open?

On Linux run "ss -ltnup 'sport = :1438'", on macOS "lsof -nP -i :1438", and on Windows "netstat -ano | findstr :1438" to see the local process. From another machine, "nmap -p 1438 <host>" shows whether it is reachable.

05 Related
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