CyberHunter
LinkedIn profile - Bastien Cordier Email: contact@bastiencordier.pro
// Other services

Port 26261: eZmeeting

Port 26261 is assigned by IANA to ezmeeting (eZmeeting).

26261

How ezmeeting works

Other services
client:26261ezmeetingresponse client:26261ezmeetingresponse

The client sends a request to port 26261 and the ezmeeting 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 26261 dangerous?

We have no specific security note for port 26261. 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 26261

ServicePortTransportDescriptionReferenceUpdated
ezmeeting 26261 TCP, UDP eZmeeting - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 26261, and is it reachable?

Linux

sudo ss -ltnup 'sport = :26261'      # process listening on 26261
sudo lsof -nP -i :26261

macOS

sudo lsof -nP -i :26261

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 26261 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 26261
netstat -ano | findstr :26261

From another machine

nmap -p 26261 -sV <host>
sudo nmap -sU -p 26261 <host>
nc -zv <host> 26261

Block it in the firewall

sudo ufw deny 26261/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 26261" -Direction Inbound -LocalPort 26261 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 26261 used for?

Port 26261 is assigned by IANA to ezmeeting (eZmeeting).

Is port 26261 TCP or UDP?

Port 26261 is registered for TCP and UDP.

Is it safe to open port 26261?

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 26261 is open?

On Linux run "ss -ltnup 'sport = :26261'", on macOS "lsof -nP -i :26261", and on Windows "netstat -ano | findstr :26261" to see the local process. From another machine, "nmap -p 26261 <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

Latest vulnerability news

All news