[LON-CAPA-admin] moving behind firewall

[James Mueller]

Stuart,
	We put our loncapa server behind the firewall this morning and most  
things look fine, but I have one problem.

When viewing a problem, I click on "Prepare a printable document", go  
through the various pages until I get to

> Preparing Printout
> Please stand by while processing your print request, this may take  
> some time ...

this never returns.  On the server status page, I can see the process.
SrvPIDAccMCPU SSReqConnChildSlotClientVHostRequest
0-031930/31/203W 7.8069700.00.461.96  
136.142.111.50nplq1.phyast.pitt.eduPOST /adm/printout HTTP/1.1

If I could, I would ssh into the box to try to get more info, but I  
can't anymore.  I will have to walk over to it and log into the console.

Any ideas?  This was working before the switch, but not now.  It could  
be coincidence, but ...

We are running 2.8.1

Since I don't know how they set up the firewall, I can't really offer  
much info, but if you have any other things I could look at, I can try  
to prod the people who do know.

-Jim

On Mar 1, 2010, at 2:28 PM, Stuart Raeburn wrote:

>> Now I see from the documentation we need to keep
>> ports 80, 8080, and 5663 open.  Any others?
>
> Use of port 8080 was discontinued with LON-CAPA 2.8, so the required
> ports are now 80 and 5663 (443 if using SSL Apache), if you are
> running 2.8.0 or later.
>
>> Aside from the time it takes for the new IP
>> address to get propagated out to the rest of the world, are there any
>> other things we should be aware of?
>
> There are no additional concerns as long as hostnames remain  
> unchanged.
>
> Stuart Raeburn
> MSU LON-CAPA group
>
> Quoting James Mueller <mueller at pitt.edu>:
>
>> Administration is telling us that we have to move the loncapa server
>> behind a firewall.  Now I see from the documentation we need to keep
>> ports 80, 8080, and 5663 open.  Any others?  When this change occurs
>> (looks like spring break) the IP number will change, although the DNS
>> name can remain the same.  Aside from the time it takes for the new  
>> IP
>> address to get propagated out to the rest of the world, are there any
>> other things we should be aware of?
>>
>> -Jim Mueller
>>
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>
>
>
>
>
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