Ports for Incoming Communication Open in LEAF OS

Ports for Incoming Communication Open in LEAF OS


Overview

This article lists the ports open in LEAF OS for incoming communication and describes the associated applications and protocols.


Open Ports – Incoming Communication

ProtocolPortApplication
TCP22Secure Shell
TCP5900VNC screen shadowing
TCP6566SANE scanner server
UDP68DHCP client
UDP1027vSpace Console management
UDP1701L2TP/IPsec VPN client
UDP5353mDNS

Notes & Conditions

  1. SSH (TCP 22), VNC (TCP 5900), and vSpace Console Management (UDP 1027) are dependent on device configuration and may not be active on all devices.
  2. When VPN clients are in use, additional UDP ports may open dynamically. Common examples include:
    1. UDP 500 – IKEv2/IPsec key exchange
    2. UDP 4500 – IKEv2/IPsec NAT traversal


Article #KB875

Last Edited: 07/2026