Fix CLI console from FortiGate GUI

FortiGate

FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic.

Article Id 226238

Description

This article describes how to fix CLI console from FortiGate GUI.

Scope

FortiGate v. 7.2.1.

Problem Description:

GUI is accessible without a problem.
SSH is accessible via the terminal.
When CLI is opened from GUI.

Solution

This error message appears:

'Connection lost. Press Enter to start a new session'.

Access CLI via SSH:

Change 'admin-sport', in this case, 443 --> 4433:

Now, it is possible to close the GUI and try to re-login:

https:// < fortigate ip management>:4433

To stay on the preferred port number, in this case, 443:
- Revert back to the changes done before on step 1.
- Change SSL-VPN port number ( 443 --> 4433 ).

Clear the browsing history of the browser, and restart it. It should work fine. If not, try another browser or open a new incognito tab on the preferred browser.

If the above methods do not work, contact Fortinet TAC for further assistance.

Related documents:

Technical Tip: How to open the CLI window in GUI

Connecting to the CLI
Technical Tip: How to fix CLI error message 'Connection lost. Press Enter to start a new connection'...

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Technical Tip: Fix CLI console from FortiGate GUI

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