Help
maydin
Staff
Staff
‎09-11-2025
Last activity: Sep 11, 2025 9:49:53 AM
80 Profile 80% Complete

User Statistics

Most Liked Posts Recent Solutions
No Content Available

User Activity

Technical Tip: Explanation of log deny_cause=packet-sanity

09-11-2025
Description This article explains in which scenarios FortiCarrier can drop GTP packets with deny_cause=packet-sanity. Each GTP packet is validated against 3GPP standards, and if it fails any mandatory checks, it may be dropped. Only packets that fail...

Troubleshooting Tip: GTP Error: invalid-msg-length

09-11-2025
Description This article describes the conditions under which FortiGate may deny a GTP packet with the log message deny_cause: invalid-msg-length.It explains how FortiCarrier checks the GTP length field and message size, and outlines the common scena...

Technical Tip: How Half-Open and Half-Close Timeouts Work for GTP Tunnels

01-28-2025
Description This article describes how half-open and half-close timeouts work for GTP tunnels on a FortiCarrier, helping manage tunnel lifecycles. Scope FortiCarrier. Solution How half-open and half-close States are created: When FortiCarrier receive...

Technical Tip: How to interpret per-protocol stats for Overload-Type IP pools in Hyperscale Firewall

11-27-2024
Description This article describes how to a handle an issue where, when a CGN-type IP pool is configured with overload enabled in a FortiGate using the Hyperscale License, incorrect ippool session statistics can be observed. Specifically, UDP session...

Technical Tip: How to create policy for specific users with FSSO

08-26-2024
Description This article describes that using FSSO, it is quite straightforward to use AD groups in policies, however, sometimes it is needed to permit only specific users rather than the whole AD group. This article will explain how to achieve it. S...
View more
Kudos given to
Broad. Integrated. Automated.

The Fortinet Security Fabric brings together the concepts of convergence and consolidation to provide comprehensive cybersecurity protection for all users, devices, and applications and across all network edges.

Social Media
Security Research
Company
News & Articles
Contact Us

Copyright 2025 Fortinet, Inc. All Rights Reserved.