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Linked server restirction


Linked server restirction

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sundar329
sundar329
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Hi friends,

Is there a way to restrict linked server access for a particular login in sql server 2008r2.

Thanks in advance.
Sean Lange
Sean Lange
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sundar329 (8/2/2013)
Hi friends,

Is there a way to restrict linked server access for a particular login in sql server 2008r2.

Thanks in advance.



What do you mean by restrict the access?

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sundar329
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That particular user should not fetch any data through linked server.
Lowell
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sundar329 (8/2/2013)
hi friends,

Is there a way to restrict linked server access for a particular login in sql server 2008r2.

Thanks in advance.


yes.

on this screen of the linked server properties, simply make sure the first radio button "not be made" is selected.
additionally, everyone who DOES have permissions needs to be mapped/added int eh grid pictured here as well.


when set up like that, the user will not have access/gets an error when trying to use it.



Lowell
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sundar329
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is it possible with some triggers
Sean Lange
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sundar329 (8/2/2013)
is it possible with some triggers


Why do you want triggers for this? What objects would you put the triggers on? If you want to restrict access by user the approach Lowell showed you is the best way to do it.

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Lowell
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no, there are no events for triggers to capture that affect linked server access.

sundar329 (8/2/2013)
is it possible with some triggers


in the screenshot above, if they are not mapped, they have no access; nothing else will work, and nothings going to be easier.


maybe you are leaving out some important information?

Lowell
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sundar329
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We have already created linked server now we cannot re-create the linked server. Is there any other possibilities to restrict linked server access for particular login alone.
Sean Lange
Sean Lange
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sundar329 (8/2/2013)
We have already created linked server now we cannot re-create the linked server. Is there any other possibilities to restrict linked server access for particular login alone.


No need to recreate it, just change the properties.

Server Objects -> Linked Servers -> Right click -> Properties.

_______________________________________________________________

Need help? Help us help you.

Read the article at http://www.sqlservercentral.com/articles/Best+Practices/61537/ for best practices on asking questions.

Need to split a string? Try Jeff Modens splitter.

Cross Tabs and Pivots, Part 1 – Converting Rows to Columns
Cross Tabs and Pivots, Part 2 - Dynamic Cross Tabs
Understanding and Using APPLY (Part 1)
Understanding and Using APPLY (Part 2)
sundar329
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if am adding a new login am getting the below error:

"ad hoc updates to system catalogs are not allowed"
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