Introduction

This document contains a series of tables showing the communication ports and protocols used between:

• FortiGate
• FortiAnalyzer
• FortiAP-S
• FortiAuthenticator
• FortiClient
• FortiCloud
• FortiDB
• FortiGuard
• FortiMail
• FortiManager
• FortiSandbox
• and 3rd-Party Servers using FSSO.

Additionally, Fortinet's proprietary protocols are documented, showing what Fortinet products they operate with, how they behave, and how they carry out their roles:

• FGCP - FortiGate Clustering Protocol
• FGSP - FortiGate Session Life Support Protocol
• FGFM - FortiGate to FortiManager protocol
• SLBC - Session-aware Load Balancing Cluster
• CSF - Cooperative Security Fabric
• FortiTelemetry/On-Net/FortiClient Endpoint Compliance
• FortiGuard
• FortiLink
• FortiOS WAN optimization
• FSSO - Fortinet Single Sign-On
• OFTP - Optimized Fabric Transfer Protocol
• FortiClient EMS - Enterprise Management Server

Some protocols contain CLI syntax that control their ports and functionality.