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You can use this parameter to protect your SAP System from a Denial-Of-Service attack (DoS).

The value of the parameter is the maximum size (KB) of an HTTP(s) request that can be forwarded by the ICM. Requests whose content length (content-length) exceeds the specified value are already rejected by the ICM.

This means that no resources are required in the backend (memory, work processes).


Work area

Internet Communication Manager, SAP Web Dispatcher


Integer value (kilobytes)

Standard value


Dynamically changeable

Local and on all servers

Value Range and Syntax

You can set values between -1 and 1073741824.

The value -1 deactivates the check, that is, the length of the requests is irrelevant.

The standard values allows requests up to 100 MBytes.