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// Monitoring & logging

Port 10050: Zabbix Agent

Port 10050 is assigned by IANA to zabbix-agent (Zabbix Agent).

10050

How zabbix-agent works

Monitoring & logging
monitoringdevicezabbix-agent monitoringdevicezabbix-agent

The monitoring server collects metrics, alerts or logs from devices over port 10050.

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 10050 dangerous?

We have no specific security note for port 10050. 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 10050

ServicePortTransportDescriptionReferenceUpdated
zabbix-agent 10050 TCP, UDP Zabbix Agent - 2006-02

// source: IANA service name and port number registry

03 Check it

Which program uses port 10050, and is it reachable?

Linux

sudo ss -ltnup 'sport = :10050'      # process listening on 10050
sudo lsof -nP -i :10050

macOS

sudo lsof -nP -i :10050

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 10050 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 10050
netstat -ano | findstr :10050

From another machine

nmap -p 10050 -sV <host>
sudo nmap -sU -p 10050 <host>
nc -zv <host> 10050

Block it in the firewall

sudo ufw deny 10050/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 10050" -Direction Inbound -LocalPort 10050 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 10050 used for?

Port 10050 is assigned by IANA to zabbix-agent (Zabbix Agent).

Is port 10050 TCP or UDP?

Port 10050 is registered for TCP and UDP.

Is it safe to open port 10050?

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 10050 is open?

On Linux run "ss -ltnup 'sport = :10050'", on macOS "lsof -nP -i :10050", and on Windows "netstat -ano | findstr :10050" to see the local process. From another machine, "nmap -p 10050 <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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