CyberHunter
Local dataset, no network
// Monitoring & logging

Port 5988: WBEM CIM-XML (HTTP)

Port 5988 is assigned by IANA to wbem-http (WBEM CIM-XML (HTTP)).

5988

How wbem-http works

Monitoring & logging
monitoringdevicewbem-http monitoringdevicewbem-http

The monitoring server collects metrics, alerts or logs from devices over port 5988.

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 5988 dangerous?

We have no specific security note for port 5988. 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 5988

ServicePortTransportDescriptionReferenceUpdated
wbem-http 5988 TCP, UDP WBEM CIM-XML (HTTP) - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 5988, and is it reachable?

Linux

sudo ss -ltnup 'sport = :5988'      # process listening on 5988
sudo lsof -nP -i :5988

macOS

sudo lsof -nP -i :5988

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 5988 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 5988
netstat -ano | findstr :5988

From another machine

nmap -p 5988 -sV <host>
sudo nmap -sU -p 5988 <host>
nc -zv <host> 5988

Block it in the firewall

sudo ufw deny 5988/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 5988" -Direction Inbound -LocalPort 5988 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 5988 used for?

Port 5988 is assigned by IANA to wbem-http (WBEM CIM-XML (HTTP)).

Is port 5988 TCP or UDP?

Port 5988 is registered for TCP and UDP.

Is it safe to open port 5988?

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 5988 is open?

On Linux run "ss -ltnup 'sport = :5988'", on macOS "lsof -nP -i :5988", and on Windows "netstat -ano | findstr :5988" to see the local process. From another machine, "nmap -p 5988 <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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