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// Monitoring & logging

Port 1050: CORBA Management Agent

Port 1050 is assigned by IANA to cma (CORBA Management Agent).

1050

How cma works

Monitoring & logging
monitoringdevicecma monitoringdevicecma

The monitoring server collects metrics, alerts or logs from devices over port 1050.

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 1050 dangerous?

We have no specific security note for port 1050. 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 1050

ServicePortTransportDescriptionReferenceUpdated
cma 1050 TCP, UDP CORBA Management Agent - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 1050, and is it reachable?

Linux

sudo ss -ltnup 'sport = :1050'      # process listening on 1050
sudo lsof -nP -i :1050

macOS

sudo lsof -nP -i :1050

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 1050 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 1050
netstat -ano | findstr :1050

From another machine

nmap -p 1050 -sV <host>
sudo nmap -sU -p 1050 <host>
nc -zv <host> 1050

Block it in the firewall

sudo ufw deny 1050/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 1050" -Direction Inbound -LocalPort 1050 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 1050 used for?

Port 1050 is assigned by IANA to cma (CORBA Management Agent).

Is port 1050 TCP or UDP?

Port 1050 is registered for TCP and UDP.

Is it safe to open port 1050?

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 1050 is open?

On Linux run "ss -ltnup 'sport = :1050'", on macOS "lsof -nP -i :1050", and on Windows "netstat -ano | findstr :1050" to see the local process. From another machine, "nmap -p 1050 <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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