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Enabling Protection Against a SYN-ACK-ACK Proxy Flood Attack

Malicious users can fill up the firewall session table to the point where the device begins rejecting legitimate connection requests by continuously initiating SYN-ACK-ACK sessions.

Before You Begin
For background information, read Understanding SYN-ACK-ACK Proxy Flood Attacks.

To enable protection against a SYN-ACK-ACK proxy flood, use either J-Web or the CLI configuration editor. The specified zone is where the attack originated.

Note: The value unit is connections per source address. The default value is 512 connections from any single address.

This topic covers:

J-Web Configuration
CLI Configuration
Related Topics

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