CyberHunter
Local dataset, no network
// Other services

Port 9618: Condor Collector Service

Port 9618 is assigned by IANA to condor (Condor Collector Service).

9618

How condor works

Other services
client:9618condorresponse client:9618condorresponse

The client sends a request to port 9618 and the condor 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 9618 dangerous?

We have no specific security note for port 9618. 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 9618

ServicePortTransportDescriptionReferenceUpdated
condor 9618 TCP, UDP Condor Collector Service - 2008-04-03

// source: IANA service name and port number registry

03 Check it

Which program uses port 9618, and is it reachable?

Linux

sudo ss -ltnup 'sport = :9618'      # process listening on 9618
sudo lsof -nP -i :9618

macOS

sudo lsof -nP -i :9618

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 9618 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 9618
netstat -ano | findstr :9618

From another machine

nmap -p 9618 -sV <host>
sudo nmap -sU -p 9618 <host>
nc -zv <host> 9618

Block it in the firewall

sudo ufw deny 9618/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 9618" -Direction Inbound -LocalPort 9618 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 9618 used for?

Port 9618 is assigned by IANA to condor (Condor Collector Service).

Is port 9618 TCP or UDP?

Port 9618 is registered for TCP and UDP.

Is it safe to open port 9618?

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 9618 is open?

On Linux run "ss -ltnup 'sport = :9618'", on macOS "lsof -nP -i :9618", and on Windows "netstat -ano | findstr :9618" to see the local process. From another machine, "nmap -p 9618 <host>" shows whether it is reachable.

05 Related
:4444 Metasploit default / krb524 tcp · udp · high risk :31337 Back Orifice / elite tcp · udp · high risk :1 TCP Port Service Multiplexer tcp · udp :5 Remote Job Entry tcp · udp :9 Discard tcp · udp · sctp · dccp :11 Active Users tcp · udp :17 Quote of the Day tcp · udp :18 Message Send Protocol (historic) tcp · udp

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