Am Donnerstag, den 12.07.2007, 13:52 -0400 schrieb Anthony Whyte:
> One of our community member institutions are running a Sakai cluster  
> using James.  They use a Big-IP load balancer.  When performing Big- 
> IP health checks every few seconds against various points in their  
> test system the testing generated numerous TCP connections.
> 
> There testing filled up the available number of connections to James,  
> and Sakai's email handling effectively shut down.  They quickly  
> changed to SMTP checking and restarted, solving the immediate  
> problem, but there remains a concern about a potential "denial of  
> service" issue with the James component, since anyone can perform  
> that style of TCP check.  Is there some way to configure James to not  
> be vulnerable in this way?
> 
> Cheers,
> 
> Anthony Whyte
> Sakai Foundation

In trunk its possible to limit the connections per ip. I think this solve the 
problem, right ?

bye
Norman


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