Another option would be to create your own proxies that do
encryption/decryption on both ends (apache and tomcat).  It should be
quite straightforward if using JSSE.  Or if simple encryption is
sufficient (SSL is quite expensive in terms of performance), apply your
own symmetric encryption algorithm.  

Apache is in the process of extending the AJP 13 protocol to include
security.  Hopefully it will be available soon.  

http://tomcat.apache.org/connectors-doc/common/ajpv13ext.html

ND 

-----Original Message-----
From: Parsons Technical Services [mailto:[EMAIL PROTECTED]

Sent: Sunday, February 12, 2006 11:29 PM
To: Tomcat Users List
Subject: Re: Encrypting ajp13 traffic

Sasha,

There are several ways to accomplish this, and I think it has been
mentioned 
on the list before but I don't remember a "best way" if it was decided
there 
is one.

Options include:
VPN
IPSec (part of VPN)
ssh
isolated lan segment (if feasible, IE your side of network)

There may already be something out there. If so, someone here will know.

Doug

----- Original Message ----- 
From: "Akoulov, Alexandre" <[EMAIL PROTECTED]>
To: "Tomcat Users List" <users@tomcat.apache.org>
Sent: Sunday, February 12, 2006 11:01 PM
Subject: Encrypting ajp13 traffic


Hi all,

I am wondering if there is a way encrypt the traffic between apache and 
tomcat when they talk to each other on ajp13.

All suggestions are welcome.



Kind regards,

Sasha.

-----Original Message-----
From: Ian Buzer [mailto:[EMAIL PROTECTED]
Sent: Saturday, 11 February 2006 2:44 AM
To: 'Tomcat Users List'
Subject: RE: Tomcat - blank page problem


> Webpages seem to be loading then usually blank page
>  comes(totaly blank no error messages) on high traffic.

I suspect this could either be your redirector cachesize is not large
enough
(the number of threads that the redirector will accept from IIS) or
tomcat
is not able to respond to all the threads that are being passed through
to
it.

Both these will show up in the isapi redirector logs.

Cache size is set in /conf/workers.properties

Tomcat threads are set in /conf/server.xml (maxThreads etc. on the AJP
connector)

Ian


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