Caldarale, Charles R wrote:
From: Chetan Chheda [mailto:chetan_chh...@yahoo.com]
Subject: Limit user sessions in tomcat
Is there a way through configuation of tomcat and mod_jk to control
the number of concurrent transactions/sessions a user can maintain?
Don't know about what you might be able to configure in httpd, but in Tomcat
this is frequently done with a filter in conjunction with an
HttpSessionListener to insure a user session is being used by an excessive
number of concurrent requests. This keeps the throttling independent of the
logic in the webapp.
There exist a couple of add-on filter modules at the Apache level to
handle that kind of thing. It might be better to do it at the earliest
possible level, before you even hit mod_jk or Tomcat.
On another level, I don't quite understand yet how this squares with the
fact that most browsers will not establish more than 2 connections with
the same webserver at the same time. It seems a bit difficult to
imagine that one single user can "crash" a Tomcat just by repeatedly
hitting the same link.
Maybe the OP should just find that user and tell him to stop doing that.
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