[GE users] About how is the connection between the submit_host, qmaster and the execution_host when you send a job

Esteban Freire esfreire at cesga.es
Thu Oct 23 16:42:18 BST 2008


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Hi Reuti,

Thanks a lot :)

Reuti wrote:
> HI Esteban,
>
> Am 23.10.2008 um 15:24 schrieb Esteban Freire:
>
>> Hi Reuti,
>>
>> Thanks for your quick answer. It would be necessary have any special 
>> on the machine to install SGE with option -csp? I mean, for example a 
>> digital certificate.
>>
>> How it works option csp? Is there any link/web page where I can get 
>> more information about this option?
>
> sure: 
> http://gridengine.sunsource.net/nonav/source/browse/~checkout~/gridengine/source/security/sec/csp.html 
>
>
> -- Reuti
>
>
>> Thanks,
>> Esteban
>>
>> Reuti wrote:
>>> Hi,
>>>
>>> Am 23.10.2008 um 11:21 schrieb Esteban Freire:
>>>
>>>> These days we have come a doubt about if the connection between the 
>>>> qmaster and the execution_host is secure. We would like to know 
>>>> when we send a job how is the connection between the qmaster and 
>>>> the execution_host. I mean, It is a secure connection?
>>>> Could a malicious user install a sniffer into the cluster to check 
>>>> sge connections in order to see what we are sending in the job?
>>>
>>> up to 6.2 or still with classic spooling the job scripts are stored 
>>> in plain text in the qmaster $SGE_ROOT/spool/qmaster/job_scripts. On 
>>> the execution node in 
>>> $SGE_ROOT/default/spool/$HOSTNAME/job_scripts/$JOB_ID the scripts 
>>> are stored also as plain texts as they have to be executed.
>>>
>>> To encrypt at least the network traffic, you will have to install 
>>> SGE with the -csp option.
>>>
>>> -- Reuti
>>>
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>>
>>
>>
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>
>
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