How Are Endpoints Encrypted?
Dec 13, 2007
Hi All,
I have mirroring set up in a test environment and it works great however I need to know/understand how the endpoints are encrypted. I have them set to use the AES algorithm; however I can not tell from BOL what keys they are using. I know the service master key is the root encryption key and endpoints sit at the server level (same level as service masterkey) but I am not sure if the endpoints use it to perform the encryption or not; do they and if not what do they use?
Thanks in advance,
Coleman
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Mar 2, 2007
When I constructed my endpoint:
CREATE ENDPOINT MyNewEndPoint
STATE = STARTED
AS HTTP
(
PATH = '/MyEndpoint',
AUTHENTICATION = (INTEGRATED),
PORTS = (CLEAR),
SITE = 'arkansas'
)
FOR SOAP
(
WEBMETHOD 'GetSession'
(NAME='MyDB.dbo.spGetSession'),
BATCHES = DISABLED,
WSDL = DEFAULT,
DATABASE = 'MyDB',
NAMESPACE = 'http://MyDB/MyEndpoint'
)
the site is hardcoded. But, when I'm getting ready to deploy I'll need the site to be my production site. Is there an easier way to accomplish this then to edit the script each time before delpoyment?
TIA,
Dave C.
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Jun 9, 2006
Are HTTP Endpoints able to be reached by another application that does not run on the same network?
For example, we have a partner that has a Web Application that would like to retrieve data from our database. We would like them to call a SOAP method through the Endpoint and in essence let their Web Application consume the Web Service. Is this possible?
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Mar 5, 2007
I tried asking a similar question over at the asp.net, but I'm not getting any replies.
I created an endpoint in SS 2005 using DIGEST authentication, and I was successful in adding the web service to my project and getting results from a call to it.
However, the production environment does not exist in a domain environment, which eliminates even DIGEST (which requires a valid windows domain logon).
But, when I create the endpoint using BASIC authentication, I can no longer "find" the service. SS says the command(s) completed successfully after the Create Endpoint command. As a test, the documentation says that you can enter the http site into IE and the WSDL will display. And that works in digest mode. However, I've tried both:
http://<server>/path?WSDL and
https://<server>/path?WSDL
And neither returns the WSDL in IE (nor can it be added to my project as a web service).
I'm hoping someone has some ideas on how I can resolve this problem.
TIA,
Dave
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Mar 18, 2008
hi,
I am new to sql so i created this http endpoint int sql 2005.
now how to use it?
for example i create stored procedure and i can use it by "execute procedurename"
how it works on endpoint side?
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Jul 3, 2007
Hi,
I am trying to use a SQL Endpoint in my SQL 2005 DB to retrieve information from my C#.Net program. It works fine for me when I run it, but I am set as an administrator in SQL Server. When I try to run it as a normal/test user, I get the error message: "There was an error in the incoming SOAP request packet: Client, Endpoint, UnmappedSoapMethod."
Now, I have set up the endpoint in SQL and I can see the method I am trying to call when I do a select on the sys.endpoint_webmethods table. I have also allowed the domain group which the test user is a member of execute permission to the stored procedures and Access permissions to the endpoint.
What have I missed in the set up for me to be receiving this error message?
Cheers and thanks in advance.
Sam.
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Jan 23, 2006
I need to start encrypting several fields in a database and have been doing some testing with a test database first. I've run into problems when attempting to restore the database on either the same server (but different database) or to a separate server.
First, here's how i created the symmetric key and encrypted data in the original database:
create master key
encryption by password = 'testAppleA3';
create certificate test
with subject = 'test certificate',
EXPIRY_DATE = '1/1/2010';
create symmetric key sk_Test
with algorithm = triple_des
encryption by certificate test;
open symmetric key sk_Test decryption by certificate test;
insert into employees values (101,'Jane Doe',encryptbykey(key_guid('sk_Test'),'$200000'));
insert into employees values(102,'Bob Jones',encryptbykey(key_guid('sk_Test'),'$500000'));
select * from employees
--delete from employees
select id,name,cast(decryptbykey(salary) as varchar(10)) as salary from employees
close all symmetric keys
Next I backup up this test database and restore it to a new database on a different server (same issue if restore to different database but on same server).
Then if i attempt to open the key in the new database and decrypt:
open symmetric key sk_Test decryption by certificate test;
I get the error: An error occurred during decryption.
Ok, well not unexpected, so reading the forums, i try doing the below first in the new database:
ALTER MASTER KEY ADD ENCRYPTION BY SERVICE MASTER KEY
Then I try opening the key again and get the error again:
An error occurred during decryption.
So then it occurs to me, maybe i need to drop and recreate it so i do
drop symmetric key sk_test
then
create symmetric key sk_Test
with algorithm = triple_des
encryption by certificate test;
and then try to open it.
Same error!
So then i decide, let's drop everything, the master key, the certificate and then symmetric key:
drop symmetric key sk_test
drop certificate test
drop master key
Then recreate the master key:
create master key
encryption by password = 'testAppleA3';
Restore the certificate from a backup i had made to a file:
CREATE CERTIFICATE test
FROM FILE = 'c:storedcertsencryptiontestcert'
Recreate the symmetric key again:
create symmetric key sk_Test
with algorithm = triple_des
encryption by certificate test;
And now open the key only to get the error:
Cannot decrypt or encrypt using the specified certificate, either because it has no private key or because the password provided for the private key is incorrect.
So what am I doing wrong here? In this scenario I would appear to have lost all access to decrypt the data in the database despite restoring from a backup which restored the symmetric key and certificate and i obviously know the password for the master key.
I also tried running the command
ALTER MASTER KEY ADD ENCRYPTION BY SERVICE MASTER KEY
again but this does not resolve the issue.
Thx.
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May 18, 2007
Is it possible to return typed data in an Endpoint for an ASP.Net Web Reference to Proxy? If so, is there any specific terminology I should be aware of to target my search?
I realize there is a choice between Object (returns a dataset or error) or dataset, but the automatically generated WebReference Proxy in ASP.Net (2.0) is untyped and we can't change the typing there as you have to remove the entire WebReference to pick up new WebMethods (or changes to signitures I'd assume).
I'm able to create my own typed proxy as a psuedo-DAL assembly which takes the WebReference and cast rows/objects into typed rows/objects one at a time, but this seems like a lot of work and probobly not the best practice.
Any help would be greatly appreciated
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Dec 20, 2006
I am trying to expose a stored procedure on SQL Server 2005 as a web service. So I just have an end point created with the procedure as my web method. Now when I try to reference this web service in my C# windows application, I am only able to see the procedure definition by requesting for the WSDL http://servername/path?wsdl. But when I try to reference it, I get the error 501/505 - Not Implemented or not supported. Any ideas what the issue here could be? Would really appreciate the help here as I am kinda stuck! - Thanks, Manmeet
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Mar 20, 2007
Hi,
I'm looking into hosting SQL Server endpoints on Vista. Unfortunately they don't work nicely because, as far as I know, they require http.sys which is part of Windows Server 2003. Hence, I can create my endpoint but i can't browse to it over http.
So, siple question (not so simple answer) how can I access SQL Server endpoints on Vista?
Thanks
Jamie
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Jun 20, 2007
i have posted here a few times on my endpoint issues but i cant find a resolution so im approaching the issue from a different angle. can you guys tell me how you create and consume endpoints, preferably with the endpoint code, the url you use to see the wsdl, and any network/pc settings you may have altered to get endpoints to work. im looking for tips or steps that may not be included in basic endpoint tutorials. I really am stuck and have no idea what else to try. thanks all
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Mar 11, 2008
I have application who like to use HTTP Endpoints in our cosolidate enviornment. How I can measure the performance on HTTP Endpoints? I would like to know how much CPU, Memory and IO used by HTTP Endpoints?
Any suggestion? Thanks in advance.
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Mar 23, 2008
Has anyone worked out how to trace SOAP/HTTP Endpoints in SQL 2005 SP 2?
I'm not having a particular problem, just want to know how things work, such as which layer is responsible for the HTTP Authentication. I've traced the HTTP.sys stack using logman.exe (see http://www.thelastpickle.com/2008/03/22/tracing-sql-soap-endpoints-through-httpsys/) .
I cannot see any SQL Profiler events, and I've tried setting trace 7801 and 7803 as described in http://www.sqljunkies.com/Article/5CCAC423-1407-4A36-AF71-ED6A67D9646A.scuk#_Toc52964195 but they do not result in any logging.
thanks
Aaron
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Sep 25, 2006
We have been having a problem with service broker for quite a while now and searching on these forums and more generally on the web has not yielded any kind of answer...
Our application utilises service broker within a single database (there is no cross database, cross instance or cross server communication). There are approximately 12 queues which are used to varying degrees. A few of the queues have a throughput rate in the order of up to 100s per minute at peak periods.
In some scenarios we are able to make use of persistent conversations but the majority of messages are sent on their own conversation or in small batches on their own conversation.
Some time ago we found that the database was growing in size more than expected due to a build up of data in the service broker meta data internal tables, exposed via the sys.conversation_endpoints system view.
We identified a problem in the application that was preventing some conversations from being closed and have now fixed this.
However, we are still experiencing a build up in the service broker tables and sys.conversation_endpoints shows this is now due to a very large number of conversations in the "CLOSED" state.
I know that conversations are kept around to prevent replay attacks but thought they were supposed to be cleared after about 30 minutes. This is certainly not happening as we currently have conversations that were opened on the 18th September, a full week ago. We currently have about 350,000 closed conversations and this figure is increasing!
We have tried restarting the SQL Server instance with no effect.
I have been using a script to loop through all closed conversations and get rid of them using the "WITH CLEANUP" clause but I'm loath to create a scheduled task that does this in the background when service broker should be doing the job itself.
Has anybody experience this problem and, even better, have any idea how to solve it?
Daniel
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Nov 30, 2007
Hi,
I implemented the pattern suggested in the 'Recycling Conversations' article that Remus Resanu presented. Everything works great except ended conversations on the receiver remain in the sys.conversation_endpoints table forever in the 'CLOSED' state.
Is there some setting I am missing to have those conversations purged from the endpoints table. I am concerned that in the production environment this table will grow very large.
Thanks
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Mar 8, 2008
All -
I have a SQL Server 2005 HTTP endpoint. I create a transaction scope in a client application and call two methods on that endpoint. Will the operations performed in the two methods, really, be in a transaction?
In other words, will SQL Server enlist in the ambient transaction even when I am accessing it through a HTTP endpoint?
Thanks.
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May 23, 2007
I developed one DLL in vb .Net which call two web services (sql endpoints) I wish to use this solution but for hundreds of servers (endpoints) I want to ask if I could do that with dynamic parameters passed to de DLL CALL in sql server clr.
Actually when I compile de DLL I need to have referenced (hardcoded) the webservices (endpoints) and when I need a brand new endpoint I need to reference it, compile the dll and release.
I cannot find how to invoke the service within the DLL with the namespace or webservice name as parameter.
Mi code to invoke now my referenced end point is: (note that my endpoint name is rperez)
Dim CallWebService As New rperez.IntelisisServiceEndPoint
CallWebService.Credentials = System.Net.CredentialCache.DefaultCredentials
Call CallWebService.IntelisisService(ArchivoOriginal)
My class rperez.IntelisisServiceEndPoint is referenced (hardcoded) in the dll project I need it dynamic
Do I need to change my code to PROXY object ?
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Aug 23, 2006
We have tested mirroring with success.
Now we want to completly disable mirroring, and have done this on all mirrored database.
It seems though that the server stille maintains the mirror endpoints, hence you can do a "telnet localhost 5022".
How can we disable the mirroring endpoints ?
Martin Tan
SQL DBA
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Sep 1, 2015
I am planning to delete a login from SQL logins because he moved out from project .when i try to delete the login , it throws an error saying " The server principal owns an endpoint and cannot be dropped , error 15141 "
Same problem facing on different servers.
Note : Environment is SQL 2012,SQL 2008 including cluster servers .
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Feb 17, 2008
I am new to web services and as a DBA I only have limited .net experience. Our development team is creating a web services interface for our new IVR phone system, and we've decided on a solution that will send each of the phone call parameters from our database to the phone system in an XML based on line number and extension. I've found that Http Endpoints in sql server will be a perfect solution for exactly that and I won't need any .net to develop it. Thats the good news. There are, however, other requirements for our phone system to communicate back to our database. All of the examples I've seen for endpoints use a stored procedure performing a select statement.
Is it possible to create an endpoint that references a stored procedure performing an insert or update? To be more specific, can I create an endpoint that references a stored procedure that has parameters? If so, how do I pass those parameters through a web service request? Is it as simple as adding &variable="value" to the url?
If so I could develop this entire solution from the database side and not involve our .net programmer!
Another alternative: the phone system does have it own database in sql server. I'm not sure if our phone system provided can or will do this, but if they are willing to work with this, maybe a service broker can fit into this solution.
I look forward to any response. Thanks!
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Apr 9, 2007
when we built the login control by built in login control of vs2005 the passwords are saved in the database which is automatically created.how can i get the unencrypted form of these passwords from database.
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Apr 28, 2000
Hi there,
I was wondering if anyone knew of a way to encrypt a table?
I now you can encrypt Stored Procedures, triggers and view, but
can you encrypt a table??
Let me know
Thanks
Susan
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Jan 27, 2005
Hi all,
I may have a requirement to send data from a SQL Server at site A to an Oracle server at site B. These sites have no network connection between them, and the current suggestion is to use ftp, but the transfer (or username and password) will not be encrypted.
If I create a DTS package transferring data from site A, will that transfer be encrypted?
If not, is there an option with SQL Server DTS to ensure that the data is sent in an encrypted form?
Thanks in advance.
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Feb 23, 2004
Hi,
How can I save encryped data in SQL2000? Also, how can I retrieve it?
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Jan 8, 2008
Hi,
I wonder if it is possible to retrieve encrypted password somehow?
Like I have saved password (blueRays) in encrypted formate. How can I retrieve it "where password='blueRays' "?
Regards
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Jul 20, 2005
In a Multi Server Job under SQL Server Agent (MSX), we have a series ofsteps like:DTSRun /~Z0x8E8635E6BBA...The ~Z means it's an encrypted hexidecimal string. The person who createdthis step is no longer accessible, and the string can't be triviallydecrypted, so I don't know what this runs.Someone once mentioned that I could go to Query Analyzer, run it, andwatch the execution plan. However, if I start the job, the executionplan simply walks through the steps required to find the job, and doesn'tgo into the details of the job. I don't know how to run the DTSRuncommand directly within Query Analyzer.Is there a way I can use the execution plan to determine what package thisDTSRun line is executing? Please give me the appropriate command orcommands.-Adam
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May 9, 2007
Can anyone tell me how to find out if a .sdf file is encrypted? Im using C# and would like to know if the db that I am trying to open is encrypted. I would then like to attempt to open the db.
Any help would be appreciated!
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Jul 2, 2007
How can I unencrypt an encrypted password in sql 2005?
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Aug 21, 2004
Hello,
How can I view content of an encrypted object in a database.
Thanks in advance,
Uday
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Jan 14, 2005
Hello,
I have a simple .NET page that asks the user to create a new account. One of the fields on that page is 'Password'. I store the password in a SQL 2000 Database. However, it appears in the database as clear-text.
Is there a way to encrypt this so it doesn't appear as clear-text in the DB?
Thanks!
Jason
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Mar 22, 2001
Hi
I have some encrypted stored procedure. I want to use the output of the encrypted stored procedure insert the output into temp table. is it possible to do. If so please let me know how can I proceed. Thanks in advance
Regards
Ram
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Feb 6, 2003
I have a USERS table on an SQL Server 2000 with two fields, USER_NAME AND PASSWORD, and I want to encrypt the passwords when I stored them on the table.
I used {Encrypt N ‘MyPassWord’} to encrypt the password and it looks that the passwords have been encrypted.
Went, however, I execute a SELECT statement for a specific password all passwords are returned.
This is a small sable code:
------------------------------------------------------------------------------------------------
CREATE TABLE dbo.Users
(
User_Name nvarchar (10) NOT NULL ,
PassWord nvarchar (50) NOT NULL
)
GO
INSERT INTO USERS (User_Name, PassWord)
VALUES ('MyName', {Encrypt N 'MyPassWord'})
GO
INSERT INTO USERS (User_Name, PassWord)
VALUES ('YourName', {Encrypt N 'YourPassWord'})
GO
SELECT * FROM USERS
WHERE PassWord = {Encrypt N 'MyPassWord'}
(2 row(s) affected)
-------------------------------------------------------------------------------------------------
Unfortunately both (All) rows are return
Is it any way to encrypt password and be able to select them?
Is it any other way to encrypt data into the database?
Thank You
Elias
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