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vkulik
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‎07-06-2023
Last activity: Jul 6, 2023 3:57:54 PM
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Technical Tip: How to prevent brute force attempts to a FortiGate administrator account login

03-31-2010
Description This article describes that a brute force attempt (or attack) to the administrator account login may be diagnosed by the following logs events, seen repetitively and/or in quantity (assuming Event log and Admin events are enabled) : Admin...

Technical Tip : How to block Hotmail Web Messenger

03-30-2010
DescriptionThis article explains how to block Hotmail Web Messenger. ScopeHotmail Web Messenger, Web Chat, FortiOS, embedded chat Solution This procedure uses an application control feature that is only available for v4 firmware. It is not applicable...

Technical Tip : How to block Gmail instant messaging chat (Google Web Talk) - FortiOS 4.0 and 4.0 MR1

03-30-2010
Description This article explains how to block Gmail web chat. Scope FortiOS 4.0, application control, webchat, Gmail, chat, IM Solution This procedure uses an application control feature that is only available for v4 firmware. It is not applicable t...

Technical Tip : How to block UltraSurf

03-24-2010
Description This article describes how can organizations block proxy avoidance applications such as UltraSurf. Scope FortiGate. Solution This article provides the steps to block UltraSurf through a security policy. UltraSurf traffic does not have a p...

Technical Tip: 'Bad certificates in BIOS!' error message

03-09-2010
Description This article describes the error message displayed upon startup, 'Bad certificates in BIOS!' on FortiGate devices. This error occurs even after a factory reset and flash memory format, and firmware reload. FG400A (16:20-04.26.2005)Ver:040...
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