CyberHunter
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// Monitoring & logging

Port 2479: SecurSight Event Logging Server (SSL)

Port 2479 is assigned by IANA to ssm-els (SecurSight Event Logging Server (SSL)).

2479

How ssm-els works

Monitoring & logging
monitoringdevicessm-els monitoringdevicessm-els

The monitoring server collects metrics, alerts or logs from devices over port 2479.

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
Monitoring & logging
01 Security

Is port 2479 dangerous?

We have no specific security note for port 2479. Its risk depends on the program actually listening on it. General advice for monitoring & logging services:

  • Restrict management and monitoring protocols to the monitoring network.
  • Replace community strings and default credentials.
  • Send logs over TLS.
02 Registry

IANA registry entries for port 2479

ServicePortTransportDescriptionReferenceUpdated
ssm-els 2479 TCP, UDP SecurSight Event Logging Server (SSL) - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 2479, and is it reachable?

Linux

sudo ss -ltnup 'sport = :2479'      # process listening on 2479
sudo lsof -nP -i :2479

macOS

sudo lsof -nP -i :2479

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 2479 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 2479
netstat -ano | findstr :2479

From another machine

nmap -p 2479 -sV <host>
sudo nmap -sU -p 2479 <host>
nc -zv <host> 2479

Block it in the firewall

sudo ufw deny 2479/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 2479" -Direction Inbound -LocalPort 2479 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 2479 used for?

Port 2479 is assigned by IANA to ssm-els (SecurSight Event Logging Server (SSL)).

Is port 2479 TCP or UDP?

Port 2479 is registered for TCP and UDP.

Is it safe to open port 2479?

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. Restrict management and monitoring protocols to the monitoring network.

How do I check if port 2479 is open?

On Linux run "ss -ltnup 'sport = :2479'", on macOS "lsof -nP -i :2479", and on Windows "netstat -ano | findstr :2479" to see the local process. From another machine, "nmap -p 2479 <host>" shows whether it is reachable.

05 Related
:161 SNMP udp · tcp · high risk :162 SNMP trap udp · tcp · moderate risk :9090 Prometheus / admin consoles tcp · udp · high risk :514 Syslog udp · tcp · moderate risk :6514 Syslog over TLS tcp · udp · dccp · low risk :5601 Kibana tcp · udp · high risk :391 SynOptics SNMP Relay Port tcp · udp :412 Trap Convention Port tcp · udp

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