What are you using for a firewall?

As a wild guess I would say your server somehow has addresses both on  
the 192 net and on the 10 net and that this is confusing your firewall.

On 2006-08-16, at 18:03 PDT, Info wrote:

> Hi all,
>
> I am having a problem that has been driving me crazy over the past few
> days.  When I attempt to use the dashboard demo behind my firewall
> everything works great!  When I attempt to use it from outside the
> firewall (which is natted) the icons/mp3 and video files fail to load.
> I have put in crossdomain.xml, tried proxy settings, everything I  
> could
> think of or read on the forums.  I even posted to the forums where I
> received fantastic assistance but none of it to fruition.  Finally  
> I put
> sniffers at the browser and server and the information below is what I
> discovered.  I am trying to put some servers in our production
> facilities in the next few days and really want to use Laszlo for an
> application we are developing but if I can't get this working will  
> lose
> the opportunity to use Laszlo on this project.  Any advice to resolve
> the problem would be greatly appreciated!
> *
>
>
> This IS what is causing the problem...how do I fix it?*
>
> I put a sniffer on the browser and the openlazslo server. Here is what
> the openlazslo server is doing wrong:
>
> Normal traffic works as below:
>
> BrowserIP( 1912.168.1.11)-->Firewall-->Openlaszlo IP (10.113.110.99)
>
> 192.168.1.11:2987-->10.113.110.99:8080
>
> BrowserIP <--Firewall<--OpenlaszloIP
>
> 192.168.1.11:2987<--10.113.110.99:8080
>
> Looks good so far.
>
> Here is what happens when the media files are requested:
>
> BrowserIP -->(192.168.1.20:8080)Firewall IP-->Openlaszlo IP
>
> 192.168.1.11:3062-->Firewall-->10.113.110.99:8080
>
> This is Ok so far...here is the problem, Openlazslo responds in the
> following way:
>
> Firewall(192.168.1.20:8080)<--Openlaszlo IP
>
> 192.168.1.20:8080<--10.113.110.99:35859
>
> Nat is set up in the firewall to forward the firewall IP port 8080 to
> Openlaszlo (10.113.110.99:8080)so....
>
> 192.168.1.20:8080-->10.113.110.99:8080
>
> Resulting in this traffic flow:
>
> 10.113.110.99:3589-->10.113.110.99:8080
>
> Traffic which Openlazslo discards because it doesn't know what to do
> with the traffic since it originates from itself resulting in no  
> traffic
> arriving back at the browser.
>
> What should happen is openlazslo should do this:
>
> 10.113.110.99:8080-->192.168.1.11:3062
>
>
> Here is what happens when things work right when there is no firewall
> between the browser and the openlaszlo server:
>
> Normal traffic works as below:
>
> BrowserIP( 1912.168.1.11)-->Firewall-->Openlaszlo IP (10.113.110.99)
>
> 192.168.1.11:2987-->10.113.110.99:8080
>
> BrowserIP <--Firewall<--OpenlaszloIP
>
> 192.168.1.11:2987<--10.113.110.99:8080
>
> ____________________________
>
> For some reason when traffic is coming through the firewall, Oenlaszlo
> is trying to return data traffic to 8080 of the firewall nat address
> rather then to the requesting port and ip address of the browser. The
> firewall is doing its job and forwarding traffic back to the  
> openlazslo
> server.
>
>
> My guess is that there is a bug in the openlazslo server or some  
> kind of
> configuration error......
>
> Any suggestions would be greatly appreciated and tried  
> immediately???????
>
> - Doug
>
>
>
> _______________________________________________
> Laszlo-user mailing list
> [email protected]
> http://www.openlaszlo.org/mailman/listinfo/laszlo-user

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