The Shield is not able to see or scan the session traffic. The Shield runs during session initialization, and it only monitors the session creation rate. The Shield is enabled by default and should not be disabled unless for troubleshooting. If this rate is considered to be too high, the Shield will refuse any additional sessions from that client. Every time a client initiates a session, the Shield will calculate the session creation rate of that client. The Shield (located under Config | System | Shield) monitors the clients' session creation rate. Untangle Shield (previously known as Attack Blocker) is used to protect Untangle NGFW and the network against DoS attacks. Untangle's Intrusion Prevention applicationĭoS attacks are done by initiating as many sessions as possible on the victim server as an attempt to make this server unresponsive or unavailable.In this chapter, we'll cover the following topics: We'll also learn how to limit access from the Internet to your internal resources using Untangle's Firewall application. In this chapter, we'll learn how to manage Untangle's Intrusion Prevention module. Intrusion Detection and Prevention Systems are used to protect against these attacks. Attackers can gain access to your network and steal critical data by exploiting known applications or operating system vulnerabilities. In this chapter, we will learn how to be protected from DoS attacks using the Untangle Shield. They are really dangerous and can affect your Service Level Agreement ( SLA) and your reputation.
Preventing External AttacksĭoS attacks are increasing at an alarming rate. Untangle Network Security (2014) Chapter 7.
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