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// Other services

Port 1949: ISMA Easdaq Live

Port 1949 is assigned by IANA to ismaeasdaqlive (ISMA Easdaq Live).

1949

How ismaeasdaqlive works

Other services
client:1949ismaeasdaqliveresponse client:1949ismaeasdaqliveresponse

The client sends a request to port 1949 and the ismaeasdaqlive 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 1949 dangerous?

We have no specific security note for port 1949. 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 1949

ServicePortTransportDescriptionReferenceUpdated
ismaeasdaqlive 1949 TCP, UDP ISMA Easdaq Live - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1949, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1949'      # process listening on 1949
sudo lsof -nP -i :1949

macOS

sudo lsof -nP -i :1949

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1949 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1949
netstat -ano | findstr :1949

From another machine

nmap -p 1949 -sV <host>
sudo nmap -sU -p 1949 <host>
nc -zv <host> 1949

Block it in the firewall

sudo ufw deny 1949/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1949" -Direction Inbound -LocalPort 1949 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1949 used for?

Port 1949 is assigned by IANA to ismaeasdaqlive (ISMA Easdaq Live).

Is port 1949 TCP or UDP?

Port 1949 is registered for TCP and UDP.

Is it safe to open port 1949?

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 1949 is open?

On Linux run "ss -ltnup 'sport = :1949'", on macOS "lsof -nP -i :1949", and on Windows "netstat -ano | findstr :1949" to see the local process. From another machine, "nmap -p 1949 <host>" shows whether it is reachable.

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