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From "Ellis, Tom (Financial Markets IT)" <Tom.El...@LloydsBanking.com.INVALID>
Subject RE: Writing visibility labels with HFileOutputFormat2
Date Wed, 15 Jun 2016 16:41:57 GMT
Looking at the source for how DefaultCellLabelServiceImpl checks authorisation I noted it's
just that the user just needs to have the 'system' label auth privileges - not admin/super
user as I thought you meant Ram. So technically, I could have a client user that is given
the system label privileges, but only read access to the 'hbase:labels' table?

Then that user will still be able to scan and read the labels + ordinal, and create the tags
correctly :) I'll give it a go..

Cheers,

Tom Ellis
Consultant Developer – Excelian
Data Lake | Financial Markets IT
LLOYDS BANK COMMERCIAL BANKING


E: Tom.Ellis@LloydsBanking.com
Website: www.lloydsbankcommercial.com
, , ,
Reduce printing. Lloyds Banking Group is helping to build the low carbon economy.
Corporate Responsibility Report: www.lloydsbankinggroup-cr.com/downloads


-----Original Message-----
From: Ellis, Tom (Financial Markets IT) [mailto:Tom.Ellis@LloydsBanking.com.INVALID]
Sent: 15 June 2016 16:56
To: user@hbase.apache.org
Subject: RE: Writing visibility labels with HFileOutputFormat2

-- This email has reached the Bank via an external source --


I see now from some other examples I've found that actually this form of using HFileOutputFormat2
to write Puts will use the PutSortReducer if you set the map output class of the job you give
it to Put. Looking at the source for PutSourceReducer it seems that it will actually lose
the Cell Visibility information as it uses the getFamilyCellMap to create KeyValue objects
and just uses that, and the CellVisibility is actually on the Put Mutation.

So I think that unfortunately, I can only really work around this by giving the application
user writing the HFile admin access so it can then use the VisibilityExpressionResolver to
create cells with tags with the correct ordinals.

Am I missing something? Why is it that a client user without admin/super user privileges can
set a visibility expression using Put.setCellVisibility, but if we want to write using HFiles,
the client user has to have admin/super user privileges so they can use VisibilityExpressionResolver
to correctly create the tags on the Cell with correct ordinals?

Cheers,

Tom Ellis
Consultant Developer – Excelian
Data Lake | Financial Markets IT
LLOYDS BANK COMMERCIAL BANKING


E: Tom.Ellis@LloydsBanking.com
Website: www.lloydsbankcommercial.com
, , ,
Reduce printing. Lloyds Banking Group is helping to build the low carbon economy.
Corporate Responsibility Report: www.lloydsbankinggroup-cr.com/downloads


-----Original Message-----
From: Ellis, Tom (Financial Markets IT) [mailto:Tom.Ellis@LloydsBanking.com.INVALID]
Sent: 15 June 2016 16:25
To: user@hbase.apache.org
Subject: RE: Writing visibility labels with HFileOutputFormat2

-- This email has reached the Bank via an external source --


So I have a working prototype using just bulk puts on a table and using setCellVisibility
as necessary. Now I'm trying to do it using HFile.

Sorry Ram, I don't quite follow why the user doing the writing of the HFile has to be an admin/super
user? Is that necessary to load HFiles?

The use case is to hopefully have an application user (non admin) performing the writes to
an hbase table via a bulk load of an hfile, setting visibility labels on individual cells
as necessary. Then business users who has been given the auth to view that label can see those
cells, and others not.

I've seen that it's possible to do this with map reduce & setting the map output to be
a Put (and thus could setCellVisibility on the puts), but I'm struggling to do this with Spark,
as I keep getting the exception that I can't cast a Put to a Cell.

Cheers,

Tom Ellis
Consultant Developer – Excelian
Data Lake | Financial Markets IT
LLOYDS BANK COMMERCIAL BANKING


E: Tom.Ellis@LloydsBanking.com
Website: www.lloydsbankcommercial.com
, , ,
Reduce printing. Lloyds Banking Group is helping to build the low carbon economy.
Corporate Responsibility Report: www.lloydsbankinggroup-cr.com/downloads


-----Original Message-----
From: ramkrishna vasudevan [mailto:ramkrishna.s.vasudevan@gmail.com]
Sent: 15 June 2016 12:31
To: user@hbase.apache.org
Subject: Re: Writing visibility labels with HFileOutputFormat2

-- This email has reached the Bank via an external source --


>>We could I guess create multiple puts for cells in the same row with
different labels and use the setCellVisibility on each individual put/cell, but will this
create additional overhead?
This can be done. If you want different cells in the same row to have different labels then
it is better to create those many puts and setCellVisibility on each of them. What type of
overhead you see here? In terms of the server processing them? If so there should not be much
overhead here and also adding different cells to every column inturn means you need every
cell to be treated differenly in terms of security. so should be fine IMHO.

Without doing put.setCellvisibility() there is no other way I believe. One question regarding
your use case Now in the mail you had told about the spark job where you will create a bulk
loaded file. Now if that is to have all the visibility related information of all the cells
then the user doing this job should be an admin or super user right Why is the case that a
normal client user will read through all the visibility cells which may or may not be associated
with that user?

Thank you very much for testing and using this feature. LEt us know your feedback and if you
find any gaps here. Happy to help.

Regards
Ram


On Wed, Jun 15, 2016 at 4:09 PM, Ellis, Tom (Financial Markets IT) < Tom.Ellis@lloydsbanking.com.invalid>
wrote:

> Hmm, is there no other way to set labels on individual cells where we
> don't have to give the client users system perms? For instance, client
> users can set the cell visibility on the entire put without having
> this (i.e. put.setCellVisibility("label")) and the
> VisibilityController will check this.
>
> We could I guess create multiple puts for cells in the same row with
> different labels and use the setCellVisibility on each individual
> put/cell, but will this create additional overhead?
>
> Cheers,
>
> Tom Ellis
> Consultant Developer – Excelian
> Data Lake | Financial Markets IT
> LLOYDS BANK COMMERCIAL BANKING
>
>
> E: Tom.Ellis@LloydsBanking.com
> Website: www.lloydsbankcommercial.com
> , , ,
> Reduce printing. Lloyds Banking Group is helping to build the low
> carbon economy.
> Corporate Responsibility Report:
> www.lloydsbankinggroup-cr.com/downloads
>
>
> -----Original Message-----
> From: ramkrishna vasudevan [mailto:ramkrishna.s.vasudevan@gmail.com]
> Sent: 15 June 2016 11:24
> To: user@hbase.apache.org
> Subject: Re: Writing visibility labels with HFileOutputFormat2
>
> -- This email has reached the Bank via an external source --
>
>
> The visibility expression resolver tries to scan the labels table and
> the user using the resolver should have the SYSTEM privileges. Since
> the information that is getting accessed is sensitive information.
>
> Suppose in your above case you have the client user added as a an
> admin then when you scan the label table you should be able to  scan it.
>
> Regards
> Ram
>
> On Wed, Jun 15, 2016 at 3:09 PM, Ellis, Tom (Financial Markets IT) <
> Tom.Ellis@lloydsbanking.com.invalid> wrote:
>
> > Yeah, thanks for this Ram. Although in my testing I have found that
> > a client user attempting to use the visibility expression resolver
> > doesn't seem to have the ability to scan the hbase:labels table for
> > the full list of labels and thus can't get the ordinals/tags to add
> > to the cell. Does the client user attempting to use the
> > VisibilityExpressionResolver have to have some special permissions?
> >
> > Scan of hbase:labels by client user:
> >
> > hbase(main):003:0> scan 'hbase:labels'
> > ROW                                         COLUMN+CELL
> >  \x00\x00\x00\x01                           column=f:\x00,
> > timestamp=1465216652662, value=system
> > 1 row(s) in 0.0650 seconds
> >
> > Scan of hbase:labels by hbase user:
> >
> > hbase(main):001:0> scan 'hbase:labels'
> > ROW                                         COLUMN+CELL
> >  \x00\x00\x00\x01                           column=f:\x00,
> > timestamp=1465216652662, value=system
> >  \x00\x00\x00\x02                           column=f:\x00,
> > timestamp=1465216944935, value=protected
> >  \x00\x00\x00\x02                           column=f:hbase,
> > timestamp=1465547138533, value=
> >  \x00\x00\x00\x02                           column=f:tom,
> > timestamp=1465980236882, value=
> >  \x00\x00\x00\x03                           column=f:\x00,
> > timestamp=1465500156667, value=testtesttest
> >  \x00\x00\x00\x03                           column=f:@hadoop,
> > timestamp=1465980236967, value=
> >  \x00\x00\x00\x03                           column=f:hadoop,
> > timestamp=1465547304610, value=
> >  \x00\x00\x00\x03                           column=f:hive,
> > timestamp=1465501322616, value=
> >  \x00\x00\x00\x04                           column=f:\x00,
> > timestamp=1465570719901, value=confidential
> >  \x00\x00\x00\x05                           column=f:\x00,
> > timestamp=1465835047835, value=branch
> >  \x00\x00\x00\x05                           column=f:hdfs,
> > timestamp=1465980237060, value=
> >  \x00\x00\x00\x06                           column=f:\x00,
> > timestamp=1465980447307, value=group
> >  \x00\x00\x00\x06                           column=f:hdfs,
> > timestamp=1465980454130, value=
> > 6 row(s) in 0.7370 seconds
> >
> > Cheers,
> >
> > Tom Ellis
> > Consultant Developer – Excelian
> > Data Lake | Financial Markets IT
> > LLOYDS BANK COMMERCIAL BANKING
> >
> >
> > E: Tom.Ellis@LloydsBanking.com
> > Website: www.lloydsbankcommercial.com , , , Reduce printing. Lloyds
> > Banking Group is helping to build the low carbon economy.
> > Corporate Responsibility Report:
> > www.lloydsbankinggroup-cr.com/downloads
> >
> > -----Original Message-----
> > From: Anoop John [mailto:anoop.hbase@gmail.com]
> > Sent: 08 June 2016 11:58
> > To: user@hbase.apache.org
> > Subject: Re: Writing visibility labels with HFileOutputFormat2
> >
> > -- This email has reached the Bank via an external source --
> >
> >
> > Thanks Ram.. Ya that seems the best way as CellCreator is public
> > exposed class. May be we should explain abt this in hbase book under
> > the Visibility labels area.  Good to know you have Visibility labels
> > based usecase. Let us know in case of any trouble.  Thanks.
> >
> > -Anoop-
> >
> > On Wed, Jun 8, 2016 at 1:43 PM, ramkrishna vasudevan <
> > ramkrishna.s.vasudevan@gmail.com> wrote:
> > > Hi
> > >
> > > It can be done. See the class CellCreator which is Public facing
> > interface.
> > > When you create your spark job to create the hadoop files that
> > > produces the
> > > HFileOutputformat2 data. While creating the KeyValues you can use
> > > the CellCreator to create your KeyValues and use the
> > > CellCreator.getVisibilityExpressionResolver() to map your String
> > > Visibility tags with the system generated ordinals.
> > >
> > > For eg, you can see how TextSortReducer works.  I think this
> > > should help you solve your problem. Let us know if you need
> > > further
> information.
> > >
> > > Regards
> > > Ram
> > >
> > > On Tue, Jun 7, 2016 at 3:58 PM, Ellis, Tom (Financial Markets IT)
> > > < Tom.Ellis@lloydsbanking.com.invalid> wrote:
> > >
> > >> Hi Ram,
> > >>
> > >> We're attempting to do it programmatically so:
> > >>
> > >> The HFile is created by a Spark job using saveAsNewAPIHadoopFile,
> > >> and using ImmutableBytesWritable as the key (rowkey) with
> > >> KeyValue as the value, and using the HFilOutputFormat2 format.
> > >> This HFile is then loaded using HBase client's
> > >> LoadIncrementalHFiles.doBulkLoad
> > >>
> > >> Is there a way to do this programmatically without using the
> > >> ImportTsv tool? I was taking a look at
> > >> VisibilityUtils.createVisibilityExpTags and maybe being able to
> > >> just create the Tags myself that way (although it's obviously
> > >> @InterfaceAudience.Private) but it seems to be able to use that
> > >> I'd
> > need to know Label ordinality client side..
> > >>
> > >> Thanks for your help,
> > >>
> > >> Tom
> > >>
> > >> -----Original Message-----
> > >> From: ramkrishna vasudevan
> > >> [mailto:ramkrishna.s.vasudevan@gmail.com]
> > >> Sent: 07 June 2016 11:19
> > >> To: user@hbase.apache.org
> > >> Subject: Re: Writing visibility labels with HFileOutputFormat2
> > >>
> > >> -- This email has reached the Bank via an external source --
> > >>
> > >>
> > >> Hi Ellis
> > >>
> > >> How is the HFileOutputFormat2 files created?  Are you using the
> > >> ImportTsv tool?  If you are using the ImportTsv tool then yes
> > >> there is a way to specify visibility tags while loading from the
> > >> ImportTsv tool and those visibility tags are also bulk loaded as
> HFile.
> > >>
> > >> There is an attribute CELL_VISIBILITY_COLUMN_SPEC that can be
> > >> used to indicate that the data will have Visibility Tags and the
> > >> tool will automatically parse the specified field as Visibility Tag.
> > >>
> > >> In case you have access to the code you can see the test case
> > >> TestImportTSVWithVisibilityLabels to get an initial idea of how
> > >> it is being done. If not get back to us, happy to help .
> > >>
> > >> Regards
> > >> Ram
> > >>
> > >>
> > >>
> > >> On Tue, Jun 7, 2016 at 3:36 PM, Ellis, Tom (Financial Markets IT)
> > >> < Tom.Ellis@lloydsbanking.com.invalid> wrote:
> > >>
> > >> > Hi,
> > >> >
> > >> > I was wondering if it's possible/how to write Visibility Labels
> > >> > to an HFileOutputFormat2? I believe Visibility Labels are just
> > >> > implemented as Tags, but with the normal way of writing them
> > >> > with Mutation#setCellVisibility these are formally written as
> > >> > Tags to the cells during the VisibilityController coprocessor
> > >> > as we need to assert the expression is valid for the labels configured.
> > >> >
> > >> > How can we add visibility labels to cells if we have a job that
> > >> > creates an HFile with HFileOutputFormat2 which is then
> > >> > subsequently loaded using LoadIncrementalHFiles?
> > >> >
> > >> > Cheers,
> > >> >
> > >> > Tom Ellis
> > >> > Consultant Developer - Excelian Data Lake | Financial Markets
> > >> > IT LLOYDS BANK COMMERCIAL BANKING
> > >> > ________________________________
> > >> >
> > >> > E:
> > >> > Tom.Ellis@LloydsBanking.com<mailto:Tom.Ellis@LloydsBanking.com>
> > >> > Website:
> > >> > www.lloydsbankcommercial.com<http://www.lloydsbankcommercial.co
> > >> > m/
> > >> > >
> > >> > , , ,
> > >> > Reduce printing. Lloyds Banking Group is helping to build the
> > >> > low carbon economy.
> > >> > Corporate Responsibility Report:
> > >> > www.lloydsbankinggroup-cr.com/downloads<
> > >> > http://www.lloydsbankinggroup-cr.com/downloads>
> > >> >
> > >> >
> > >> >
> > >> > Lloyds Banking Group plc. Registered Office: The Mound,
> > >> > Edinburgh
> > >> > EH1
> > >> 1YZ.
> > >> > Registered in Scotland no. SC95000. Telephone: 0131 225 4555.
> > >> > Lloyds Bank plc. Registered Office: 25 Gresham Street, London
> > >> > EC2V
> > 7HN.
> > >> > Registered in England and Wales no. 2065. Telephone 0207626 1500.
> > >> > Bank
> > >> of Scotland plc.
> > >> > Registered Office: The Mound, Edinburgh EH1 1YZ. Registered in
> > >> > Scotland
> > >> no.
> > >> > SC327000. Telephone: 03457 801 801. Cheltenham & Gloucester plc.
> > >> > Registered
> > >> > Office: Barnett Way, Gloucester GL4 3RL. Registered in England
> > >> > and Wales 2299428. Telephone: 0345 603 1637
> > >> >
> > >> > Lloyds Bank plc, Bank of Scotland plc are authorised by the
> > >> > Prudential Regulation Authority and regulated by the Financial
> > >> > Conduct Authority and Prudential Regulation Authority.
> > >> >
> > >> > Cheltenham & Gloucester plc is authorised and regulated by the
> > >> > Financial Conduct Authority.
> > >> >
> > >> > Halifax is a division of Bank of Scotland plc. Cheltenham &
> > >> > Gloucester Savings is a division of Lloyds Bank plc.
> > >> >
> > >> > HBOS plc. Registered Office: The Mound, Edinburgh EH1 1YZ.
> > >> > Registered in Scotland no. SC218813.
> > >> >
> > >> > This e-mail (including any attachments) is private and
> > >> > confidential and may contain privileged material. If you have
> > >> > received this e-mail in error, please notify the sender and
> > >> > delete it (including any
> > >> > attachments) immediately. You must not copy, distribute,
> > >> > disclose or use any of the information in it or any
> > >> > attachments. Telephone calls may be monitored or recorded.
> > >> >
> > >>
> > >>
> > >> Lloyds Banking Group plc. Registered Office: The Mound, Edinburgh
> > >> EH1
> > 1YZ.
> > >> Registered in Scotland no. SC95000. Telephone: 0131 225 4555.
> > >> Lloyds Bank plc. Registered Office: 25 Gresham Street, London
> > >> EC2V
> 7HN.
> > >> Registered in England and Wales no. 2065. Telephone 0207626 1500.
> > >> Bank
> > of Scotland plc.
> > >> Registered Office: The Mound, Edinburgh EH1 1YZ. Registered in
> > >> Scotland
> > no.
> > >> SC327000. Telephone: 03457 801 801. Cheltenham & Gloucester plc.
> > >> Registered
> > >> Office: Barnett Way, Gloucester GL4 3RL. Registered in England
> > >> and Wales 2299428. Telephone: 0345 603 1637
> > >>
> > >> Lloyds Bank plc, Bank of Scotland plc are authorised by the
> > >> Prudential Regulation Authority and regulated by the Financial
> > >> Conduct Authority and Prudential Regulation Authority.
> > >>
> > >> Cheltenham & Gloucester plc is authorised and regulated by the
> > >> Financial Conduct Authority.
> > >>
> > >> Halifax is a division of Bank of Scotland plc. Cheltenham &
> > >> Gloucester Savings is a division of Lloyds Bank plc.
> > >>
> > >> HBOS plc. Registered Office: The Mound, Edinburgh EH1 1YZ.
> > >> Registered in Scotland no. SC218813.
> > >>
> > >> This e-mail (including any attachments) is private and
> > >> confidential and may contain privileged material. If you have
> > >> received this e-mail in error, please notify the sender and
> > >> delete it (including any
> > >> attachments) immediately. You must not copy, distribute, disclose
> > >> or use any of the information in it or any attachments. Telephone
> > >> calls may be monitored or recorded.
> > >>
> >
> >
> > Lloyds Banking Group plc. Registered Office: The Mound, Edinburgh
> > EH1
> 1YZ.
> > Registered in Scotland no. SC95000. Telephone: 0131 225 4555. Lloyds
> > Bank plc. Registered Office: 25 Gresham Street, London EC2V 7HN.
> > Registered in England and Wales no. 2065. Telephone 0207626 1500.
> > Bank
> of Scotland plc.
> > Registered Office: The Mound, Edinburgh EH1 1YZ. Registered in
> > Scotland
> no.
> > SC327000. Telephone: 03457 801 801. Cheltenham & Gloucester plc.
> > Registered
> > Office: Barnett Way, Gloucester GL4 3RL. Registered in England and
> > Wales 2299428. Telephone: 0345 603 1637
> >
> > Lloyds Bank plc, Bank of Scotland plc are authorised by the
> > Prudential Regulation Authority and regulated by the Financial
> > Conduct Authority and Prudential Regulation Authority.
> >
> > Cheltenham & Gloucester plc is authorised and regulated by the
> > Financial Conduct Authority.
> >
> > Halifax is a division of Bank of Scotland plc. Cheltenham &
> > Gloucester Savings is a division of Lloyds Bank plc.
> >
> > HBOS plc. Registered Office: The Mound, Edinburgh EH1 1YZ.
> > Registered in Scotland no. SC218813.
> >
> > This e-mail (including any attachments) is private and confidential
> > and may contain privileged material. If you have received this
> > e-mail in error, please notify the sender and delete it (including
> > any
> > attachments) immediately. You must not copy, distribute, disclose or
> > use any of the information in it or any attachments. Telephone calls
> > may be monitored or recorded.
> >
>
>
> Lloyds Banking Group plc. Registered Office: The Mound, Edinburgh EH1 1YZ.
> Registered in Scotland no. SC95000. Telephone: 0131 225 4555. Lloyds
> Bank plc. Registered Office: 25 Gresham Street, London EC2V 7HN.
> Registered in England and Wales no. 2065. Telephone 0207626 1500. Bank of Scotland plc.
> Registered Office: The Mound, Edinburgh EH1 1YZ. Registered in Scotland no.
> SC327000. Telephone: 03457 801 801. Cheltenham & Gloucester plc.
> Registered
> Office: Barnett Way, Gloucester GL4 3RL. Registered in England and
> Wales 2299428. Telephone: 0345 603 1637
>
> Lloyds Bank plc, Bank of Scotland plc are authorised by the Prudential
> Regulation Authority and regulated by the Financial Conduct Authority
> and Prudential Regulation Authority.
>
> Cheltenham & Gloucester plc is authorised and regulated by the
> Financial Conduct Authority.
>
> Halifax is a division of Bank of Scotland plc. Cheltenham & Gloucester
> Savings is a division of Lloyds Bank plc.
>
> HBOS plc. Registered Office: The Mound, Edinburgh EH1 1YZ. Registered
> in Scotland no. SC218813.
>
> This e-mail (including any attachments) is private and confidential
> and may contain privileged material. If you have received this e-mail
> in error, please notify the sender and delete it (including any
> attachments) immediately. You must not copy, distribute, disclose or
> use any of the information in it or any attachments. Telephone calls
> may be monitored or recorded.
>


Lloyds Banking Group plc. Registered Office: The Mound, Edinburgh EH1 1YZ. Registered in Scotland
no. SC95000. Telephone: 0131 225 4555. Lloyds Bank plc. Registered Office: 25 Gresham Street,
London EC2V 7HN. Registered in England and Wales no. 2065. Telephone 0207626 1500. Bank of
Scotland plc. Registered Office: The Mound, Edinburgh EH1 1YZ. Registered in Scotland no.
SC327000. Telephone: 03457 801 801. Cheltenham & Gloucester plc. Registered Office: Barnett
Way, Gloucester GL4 3RL. Registered in England and Wales 2299428. Telephone: 0345 603 1637

Lloyds Bank plc, Bank of Scotland plc are authorised by the Prudential Regulation Authority
and regulated by the Financial Conduct Authority and Prudential Regulation Authority.

Cheltenham & Gloucester plc is authorised and regulated by the Financial Conduct Authority.

Halifax is a division of Bank of Scotland plc. Cheltenham & Gloucester Savings is a division
of Lloyds Bank plc.

HBOS plc. Registered Office: The Mound, Edinburgh EH1 1YZ. Registered in Scotland no. SC218813.

This e-mail (including any attachments) is private and confidential and may contain privileged
material. If you have received this e-mail in error, please notify the sender and delete it
(including any attachments) immediately. You must not copy, distribute, disclose or use any
of the information in it or any attachments. Telephone calls may be monitored or recorded.


Lloyds Banking Group plc. Registered Office: The Mound, Edinburgh EH1 1YZ. Registered in Scotland
no. SC95000. Telephone: 0131 225 4555. Lloyds Bank plc. Registered Office: 25 Gresham Street,
London EC2V 7HN. Registered in England and Wales no. 2065. Telephone 0207626 1500. Bank of
Scotland plc. Registered Office: The Mound, Edinburgh EH1 1YZ. Registered in Scotland no.
SC327000. Telephone: 03457 801 801. Cheltenham & Gloucester plc. Registered Office: Barnett
Way, Gloucester GL4 3RL. Registered in England and Wales 2299428. Telephone: 0345 603 1637

Lloyds Bank plc, Bank of Scotland plc are authorised by the Prudential Regulation Authority
and regulated by the Financial Conduct Authority and Prudential Regulation Authority.

Cheltenham & Gloucester plc is authorised and regulated by the Financial Conduct Authority.

Halifax is a division of Bank of Scotland plc. Cheltenham & Gloucester Savings is a division
of Lloyds Bank plc.

HBOS plc. Registered Office: The Mound, Edinburgh EH1 1YZ. Registered in Scotland no. SC218813.

This e-mail (including any attachments) is private and confidential and may contain privileged
material. If you have received this e-mail in error, please notify the sender and delete it
(including any attachments) immediately. You must not copy, distribute, disclose or use any
of the information in it or any attachments. Telephone calls may be monitored or recorded.


Lloyds Banking Group plc. Registered Office: The Mound, Edinburgh EH1 1YZ. Registered in Scotland
no. SC95000. Telephone: 0131 225 4555. Lloyds Bank plc. Registered Office: 25 Gresham Street,
London EC2V 7HN. Registered in England and Wales no. 2065. Telephone 0207626 1500. Bank of
Scotland plc. Registered Office: The Mound, Edinburgh EH1 1YZ. Registered in Scotland no.
SC327000. Telephone: 03457 801 801. Cheltenham & Gloucester plc. Registered Office: Barnett
Way, Gloucester GL4 3RL. Registered in England and Wales 2299428. Telephone: 0345 603 1637

Lloyds Bank plc, Bank of Scotland plc are authorised by the Prudential Regulation Authority
and regulated by the Financial Conduct Authority and Prudential Regulation Authority.

Cheltenham & Gloucester plc is authorised and regulated by the Financial Conduct Authority.

Halifax is a division of Bank of Scotland plc. Cheltenham & Gloucester Savings is a division
of Lloyds Bank plc.

HBOS plc. Registered Office: The Mound, Edinburgh EH1 1YZ. Registered in Scotland no. SC218813.

This e-mail (including any attachments) is private and confidential and may contain privileged
material. If you have received this e-mail in error, please notify the sender and delete it
(including any attachments) immediately. You must not copy, distribute, disclose or use any
of the information in it or any attachments. Telephone calls may be monitored or recorded.
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