On Sat, 14 Dec 2002, Phil Steitz wrote:

> Date: Sat, 14 Dec 2002 16:41:13 -0700
> From: Phil Steitz <[EMAIL PROTECTED]>
> Reply-To: Struts Users Mailing List <[EMAIL PROTECTED]>
> To: Struts Users Mailing List <[EMAIL PROTECTED]>
> Subject: Re: Struts application & infrastructure choices
>
> Craig R. McClanahan wrote:
> >
> > On Sat, 14 Dec 2002, David Graham wrote:
> >
> >
> >>Date: Sat, 14 Dec 2002 13:23:40 -0700
> >>From: David Graham <[EMAIL PROTECTED]>
> >>Reply-To: Struts Users Mailing List <[EMAIL PROTECTED]>
> >>To: [EMAIL PROTECTED]
> >>Subject: Re: Struts application & infrastructure choices
> >>
> >>
> >>It should be fairly easy to implement this and do some performance testing.
> >>Your DAOs will be the only piece that changes to use RMI.  You might try
> >>just using straight sockets because RMI is another layer on top of sockets
> >>which may slow you down.
> >>
> >
> >
> > A completely different approach to consider would be running something
> > like Apache in the DMZ, and put Tomcat behind the firewall as well.  Then,
> > you could continue to use your existing DAOs without exposing them on the
> > DMZ machine.
> >
> That's what I meant by my option 1. After skimming
> http://jakarta.apache.org/tomcat/tomcat-4.1-doc/config/jk.html, I now
> see that Apache->Tomcat does in fact work remotely. Right?

Yes.  Detailed discussion is off topic here -- see the Tomcat docs and/or
ask questions on TOMCAT-USER for more information.

>  Are there
> problems pushing JK through firewalls?

You just need to make sure that your firewall configuration allows the
connection from the DMZ machine to the back-end machine, using the port
number you specify.  For additional security, you should configure the
back-end server to *only* accept connections from the appropriate DMZ
server's IP address.

Craig


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