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Yes, this is common to all xrootd detailed monitoring. DN is sent in u stream 
(user session creation) which is used together with t and f streams. It also 
affects the dCache monitoring plugin that replicates the f stream functionality.

Matevz


On 9/1/14 3:04 PM, Oliver Keeble wrote:
>
> This is not a DPM issue - it's the xrootd fstream which sends out this
> information so standard xrootd installations will also be affected. dCache may
> be different, I don't know if they implemented this themselves or not.
>
> On 01/09/14 13:48, Andrea Manzi wrote:
>> Hi Romain,
>> do you know if the problem affects only DPM-xrootd or all xrootd
>> deployments are affected ?
>> thanks
>> Andrea
>>
>> On 01 Sep 2014, at 11:41, Romain Wartel <[log in to unmask]
>> <mailto:[log in to unmask]>> wrote:
>>
>>> Domenico, Matevz,
>>>
>>> Just to close the loop; Please find the information below. The EGI
>>> CSIRT, as well as WLCG operations coordination are coordinating this
>>> issue.
>>> I expect you will be contacted "officially" by the EGI security
>>> vulnerability group (SVG) with an advisory before wednesday with all
>>> the details.
>>>
>>> Then we would need you to look into this asap and report back on what
>>> corrective actions can be taken.
>>>
>>> Cheers,
>>> Romain.
>>>
>>>
>>> Begin forwarded message:
>>>
>>>> *From: *Romain Wartel <[log in to unmask]
>>>> <mailto:[log in to unmask]>>
>>>> *Subject: **xrootd - user DN information*
>>>> *Date: *1 Sep 2014 10:46:21 GMT+2
>>>> *To: *Maria Alandes Pradillo <[log in to unmask]
>>>> <mailto:[log in to unmask]>>, Oliver Keeble
>>>> <[log in to unmask] <mailto:[log in to unmask]>>
>>>>
>>>> Maria, Oliver,
>>>>
>>>> Here is the information I have regarding the user DN usage for
>>>> monitoring in xrootd.
>>>>
>>>> I think the correct Indico link is
>>>> https://indico.cern.ch/event/197803/session/0/contribution/10/material/slides/0.pdf
>>>>
>>>>
>>>> Our policy on this topic is at
>>>> https://edms.cern.ch/file/855382/5/JobAccountingDataPolicy-v1.0.pdf
>>>>
>>>> "Each site is responsible for sending its accounting records on a
>>>> regular basis, e.g. daily, with at
>>>> least user DNs encrypted in transport, to a central data base defined
>>>> by the Grid. This database is
>>>> located at an Accounting Data Centre (ADC). The location of the ADC
>>>> needs to be chosen
>>>> carefully according to data privacy laws. "
>>>>
>>>> Cheers,
>>>> Romain.
>>>>
>>>> Begin forwarded message:
>>>>
>>>>> *From: *Sven Gabriel <[log in to unmask] <mailto:[log in to unmask]>>
>>>>> *Subject: **[Irtf] more atlas fun*
>>>>> *Date: *1 Sep 2014 08:14:12 GMT+2
>>>>> *To: *IRTF <[log in to unmask] <mailto:[log in to unmask]>>, David
>>>>> Groep <[log in to unmask] <mailto:[log in to unmask]>>
>>>>> *Reply-To: *Incident Response Task Force <[log in to unmask]
>>>>> <mailto:[log in to unmask]>>
>>>>>
>>>>> This is easy, .. here we have an violation of a couple of our
>>>>> policies on how
>>>>> th handle user privacy data.
>>>>>
>>>>> "....The xrootd monitoring infrastructure sends user DN information and
>>>>> all user actions in cleartext over UDP packets across to SLAC in the
>>>>> US for monitoring. They are even open about it: .."
>>>>>
>>>>> https://indico.cern.ch/event/197803/session/0/material/slides/0
>>>>>
>>>>> ... Mitigation can be done by blocking OUTBOUND UDP apckets on each
>>>>> DPM xrootd host, in particular the headnode, but this is obviously not
>>>>> done by default.
>>>>>
>>>>> DROP udp -- anywhere anywhere udp spt:53193
>>>>> DROP udp -- anywhere anywhere udp spt:55721
>>>>> DROP udp -- anywhere atl-prod05.slac.stanford.edu
>>>>> <http://atl-prod05.slac.stanford.edu/>
>>>>> ...."
>>>>>
>>>>> Does IRTF wants to send out an advisory to all sites to apply the
>>>>> same FW
>>>>> rules?
>>>>>
>>>>> Cheers,
>>>>> Sven
>>>>> --
>>>>> ========
>>>>> Sven Gabriel
>>>>>
>>>>> Nikhef, Dutch National Institute for Sub-atomic Physics
>>>>> Group Computer Technology / Room: H1.59
>>>>> Phone: +31 20 5925103
>>>>> Science Park 105 / 1098 XG Amsterdam / The
>>>>> Netherlands_______________________________________________
>>>>> Irtf mailing list
>>>>> [log in to unmask] <mailto:[log in to unmask]>
>>>>> https://mailman.egi.eu/mailman/listinfo/irtf
>>>>
>>>
>>>
>>>
>>> --
>>> Romain Wartel
>>> Security Officer
>>> Worldwide LHC Computing Grid
>>> CERN, IT Department
>>> CH-1211 Geneva 23, Switzerland
>>>
>>> http://www.cern.ch/LCG
>>> http://cern.ch/security
>>> <[log in to unmask] <mailto:[log in to unmask]>>
>>> <[log in to unmask] <mailto:[log in to unmask]>>
>>>
>>
>

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