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Configuring H.323 Denial of Service (DoS) Attack Protection

You can protect the H.323 gatekeeper from flood attacks by limiting the number of remote access service (RAS) messages per second it will attempt to process.

Before You Begin
For background information, read Understanding the H.323 ALG.

Incoming RAS request messages exceeding the threshold you specify are dropped by H.323 ALG. The range is 1 to 50000 messages per second, the default value is 1000.

To configure the H.323 DoS attack protection feature, use either J-Web or the CLI configuration editor.

This topic covers:

J-Web Configuration
CLI Configuration
Related Topics

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