Fortinet FortiOS 3.0 manual Downgrading to FortiOS v2.80MR11 using web-based manager

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Downgrading to FortiOS v2.80MR11 using web-based manager

Reverting to FortiOS v2.80MR11

Downgrading to FortiOS v2.80MR11 using web-based manager

When you downgrade to FortiOS v2.80MR11, only the following settings are retained:

Operation mode

Interface IP/Management IP

Route static table

DNS settings

VDOM parameters/settings

Admin user account

Session helpers

System accprofiles

Use the following procedure to downgrade to FortiOS v2.80MR11 in the web-based manager. If you have created additional settings in FortiOS 3.0, make sure you back up your configuration before downgrading. See for more “Backing up your FortiOS 3.0 configuration” on page 37 information.

To downgrade using the web-based manager

1Go to System > Status > Firmware Version.

2Select Update.

3Type the location of the firmware version or select Browse.

4Select OK.

The following message appears:

The new image does not support CC mode. Do you want to continue to upgrade?

5Select OK.

The following message appears:

This version will downgrade the current firmware version. Are you sure you want to continue?

6Select OK.

The FortiGate unit uploads the firmware image file, reverts to the old firmware version, resets the configuration, restarts, and displays the FortiGate login. This process takes a few minutes.

7Log into the web-based manager.

Go to System > Unit Information to verify the Firmware Version has changed to FortiOS v2.80MR11.

Verifying the downgrade

After successfully downgrading to FortiOS 2.80MR11, verify your connections and settings. If you are unable to connect to the web-based manager, make sure your administration access settings and internal network IP address are correct. The downgrade may change your configuration settings to default settings.

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Update Guide for FortiOS v3.0

01-30000-0317-20060424

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Contents G R a D E G U I D E Trademarks Regulatory complianceContents Intrusion Protection formerly IPS Backing up your configurationUpgrading to FortiOS AntiSpam formerly Spam FilterReverting to FortiOS v2.80MR11 IndexContents Upgrade Guide for FortiOS 01-30000-0317-20060424 Document conventions IntroductionAbout this document Fortinet documentation Typographic conventionsComments on Fortinet technical documentation Customer service and technical supportFortinet Knowledge Center Customer service and technical support Setup Wizard Upgrade NotesBacking up configuration files FortiLog name changeWeb-based manager changes 01-30000-0317-20060424Command Line Interface changes Changes to the web-based managerUSB support OtherUpgrade Notes Other Other New features and changes SystemSessions ConfigStatus NetworkAdmin MaintenanceVirtual Domain Shutdown is now located on System Status System OperationDynamic RouterStatic Firewall IPSec CertificatesRadius UserLocal Windows ADFile Pattern AntivirusIntrusion Protection formerly IPS QuarantineWeb Filter AntiSpam formerly Spam Filter Banned word Black/White listBlack/White list IM/P2P newBanned word Statistics Log ConfigLog & Report UserLog Access ReportUpgrading the HA cluster for FortiOS To upgrade the clusterSnmp MIBs and traps changes In-depth Snmp trap changesOptions Upgrading to FortiOS Backing up your configurationBacking up your configuration using the web-based manager Upgrading your FortiGate unit Backing up your configuration using the CLIUpgrading using the web-based manager Upgrading using the CLI To upgrade to FortiOS 3.0 using the CLIVerifying the upgrade Backing up to a FortiUSB key Backing up your FortiOS 3.0 configurationReverting to FortiOS v2.80MR11 Downgrading to FortiOS v2.80MR11 using web-based manager Verifying the downgradeDowngrading to FortiOS v2.80MR11 using the CLI To downgrade using the CLITo restore configuration settings using the CLI Restoring your configurationRestoring your configuration settings using the CLI Execute restore allconfig confall 192.168.1.168 ghrffdt123 Restoring your configuration Index 01-30000-0317-20060424

FortiOS 3.0 specifications

Fortinet FortiOS 3.0 is a robust network operating system designed to provide a comprehensive security solution for enterprise environments. Released as part of Fortinet's commitment to advancing cybersecurity, FortiOS 3.0 integrates several cutting-edge technologies and features to enhance network performance and protection against emerging threats.

One of the main features of FortiOS 3.0 is its advanced threat management capabilities. This includes intrusion prevention systems (IPS), application control, and web filtering, which work in tandem to identify and mitigate risks in real-time. The IPS component utilizes deep packet inspection to analyze traffic patterns and block malicious activity, ensuring that sensitive data remains secure.

Another key characteristic of FortiOS 3.0 is its unified threat management (UTM) approach. By consolidating multiple security functions into a single platform, organizations can simplify their infrastructure, reduce costs, and streamline administration. This consolidation is particularly beneficial for businesses looking to enhance their security posture without overwhelming their IT resources.

FortiOS 3.0 also incorporates advanced VPN capabilities, allowing remote access to secure corporate networks. With support for both IPsec and SSL VPN technologies, users can enjoy secure connections from virtually any location, which is essential in today's increasingly mobile work environment. This flexibility promotes productivity while maintaining stringent security standards.

Additionally, FortiOS 3.0 includes sophisticated logging and reporting features. These provide critical insights into network activity, helping organizations to analyze potential threats and compliance with industry regulations. Customizable alerts and reports empower IT teams to remain vigilant and responsive to any irregularities or breaches in security.

Moreover, FortiOS 3.0 leverages Fortinet's proprietary security processor technology, which accelerates threat processing and reduces latency. This hardware acceleration ensures that even in high-volume traffic situations, security measures do not compromise network speed.

In summary, Fortinet FortiOS 3.0 stands out due to its comprehensive security features, unified threat management capabilities, advanced VPN functionalities, and robust logging and reporting tools. These characteristics make it an ideal solution for organizations seeking to enhance their cybersecurity measures while maintaining operational efficiency. As cyber threats continue to evolve, FortiOS 3.0 equips enterprises with the tools necessary to safeguard their networks effectively.