Hi all,

At the moment I believe that we don't have any mechanism on Axis2/C where
a user can easily limit the number of connections made to a single
service, and thereby prevent the server from being non-responsive when a
large number of concurrent requests are made. Obviously this will elevate
the threat of a single service being denied, and that will require
WS-Security or HTTP Authentication to be prevented.

Ordinary servers have a request threshold once when exceeded a 503 status
is sent. In a SOAP scenario, we should rather use a suitable exception and
in a REST scenario we should be reporting a 503 status. The information on
number of concurrent requests that can be handled should probably go into
the services.xml as it being a service specific number. A global defualt
setting can possibly be stored in the axis2.xml.

Thoughts?

Regards,
Senaka

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