Questions tagged [authentication]

The process of identifying the party logging into a system.

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1answer
25 views

differences in the authentication scheme - could it be because of Kerberos?

I am using this script to check the connections to my sql server: select C.client_net_address, S.host_name, c.session_id, c.net_transport, c.protocol_type, c.auth_scheme, s.program_name from sys....
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Cross Domain log shipping not working

I know there are many blog posts similar to this, and I have read them all and as far as I can tell things are setup correctly, but I still get invalid username or password when kicking off the copy ...
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1answer
17 views

MySQL change user login from one plugin type to another

I'm in the process of testing MySQL 8.0. I have set up a test database, and the first thing I want to do is import my user account from MySQL 5.7. So to do this I run: /*ON MySQL 5.7*/ SHOW CREATE ...
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1answer
59 views

How to identify a Windows Remote Desktop user by SQL Server session id?

In SQL Server I've got the session id of a process that is blocking other processes. Now I'd like to identify the specific user or machine that causes this blocking. The users are authenticating using ...
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1answer
21 views

Should i place Registered-Users Info in every table? to Restrict user access to his Own Data only

Database: Relational Database - MySQL I am making a database with multiple tables. In order to see his data from tables, User will need to log in. I only need to display those information(through web-...
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1answer
155 views

can't update user password on Mongodb 4.0.5 (Use of SCRAM-SHA-256 requires undigested passwords)

I'm trying to update a password from a user, using changeUserPassword(), and I just receive the following message: Error: Updating user failed: Use of SCRAM-SHA-256 requires undigested passwords &...
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2answers
868 views

Locked my sa user out

So I was trying to change some settings in my Microsoft SQL Server Management Studio 2019. I change the login mode from mixed (Windows and SQL authentication) to only Windows and now I am not able to ...
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1answer
43 views

Question on Enabling Kerberos Authentication using SetSPN for Availability Listener alternative DNS name

We have Availability Group, and original DNS name that was given to AG Listener, is too long (something like longername-Listener-01.mydomain.com); Its hard for us to change original DNS name of ...
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2answers
30 views

ssms does not let me change to server authentication mode and I can not log in

I have been using SSMS and logging in through server authentication for a week now and yesterday when I tried to login it suddenly told me "no process on the other end of the pipe". I researched ...
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36 views

Authintcation error 28000 + 18456

I have been trying to link my mssql database to Django. When I run the Django server I get the error below. For normal query (out of Django), it works fine, however, the Django doesnt even connect. ...
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1answer
56 views

SQL Server Authentication

I am able to access a database using the Windows Authentication method in DBeaver. However, when I switch to different account in Windows and I would like to access the datebase, I used SQL Server ...
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SSIS DB issues when trying to run Package from SSISDB to getch ADO directoty users list

I am working on task that involves using Dev server to fetch ADO directory user information. I am connecting through SQL script i Script task and passing my User authentication. This is working fine ...
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2answers
92 views

Attempting to backup to remote NAS but access is denied

I was attempting to use Ola Hallengren's scripts to backup to a remote NAS, but it was failing and not giving any direct errors, so I tried doing it manually using Server Management Studio and got the ...
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112 views

Slow Connection to Azure SQL Database using SQL Server Authentication

In SSMS, when connecting to any of our Azure SQL Databases using service accounts and SQL server authentication, the connecting itself can take between 10 to 15 seconds to establish. Once connected, ...
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1answer
31 views

Source of Entry in Postgres

I want to make a small web app using Postgres as database. Is there a way to accept database access if and only if the SQL command is coming from my app, blocking any other access to the database?
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SSRS Azure SQL Database Active Directory - Universal with MFA

Does anyone know when support for Active Directory - Universal with MFA will be included in Reporting Services? It's available in SSMS. Visual Studio 2017 Data Source Properties Reporting Server ...
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20 views

Authenticate Oracle Users (DBs on Linux Servers) through AD Without Buying Any New Products

We are wanting to authenticate Oracle Users (DBs on Linux Servers) through Active Directory Without Buying Any New Products. We don't want to buy any Oracle products such as OID/OUD etc. 1.) Is there ...
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2answers
158 views

Disable / bypass authentication in PostgreSQL

I need to run benchmarks (pgbench) in different environments on different versions of PostgreSQL. Authentication works inconsistently and is a generally huge headache / adds a lot of fragile ...
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0answers
89 views

.Net Connector -Authentication error - Reading from the stream has failed

We have recently found too many Authentication Errors in our application. It is not continuous, however it appears multiple times in a day and gets stuck. We are having ASP.Net Application hosted on ...
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1answer
68 views

Can I query from two databases if my web application is connected to one database?

I have a local database, DB1, that I created and is connected to my web application. My web application takes in stored procedures from DB1 and queries them. My application connects to SQL Server ...
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1answer
31 views

Am I on the right track for a customer user login database design?

I am designing a back end database that will handle registration and login. I need to be able to deal with different account and authentication types. The main issue here, that is different from ...
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1answer
37 views

How to use mysql_plugin utility?

I tried to follow this official documentation to install unix_socket plugin using mysql_plugin utility but getting an error that Cannot read plugin config file unix_socket. Bad format in plugin ...
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0answers
53 views

sys.login_token doesn't include particular windows groups while they can be listed by sys.database_principals

When I query SELECT principal_id, name, [type] FROM sys.login_token I found some local windows groups were not there. However, when I check by SELECT principal_id, name, [type] FROM sys....
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1answer
344 views

How to get Kerberos working against a named SQL Server instance in Power BI Report Server?

I have a Power BI Report Server working perfectly connecting to SQL Server machines with a default instance only. I can also connect to SSAS named instances with the proper SPNs and by allowing ...
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1answer
113 views

Percona PAM with AD authentication using SSSD

I have installed percona PAm plugin on my Percona server as shown below: mysql> show plugins; ... | auth_pam | ACTIVE | AUTHENTICATION | auth_pam.so | GPL | | ...
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Which client authentication methods make sense when calling `initdb`?

Postgres offers many client authentication methods: Trust Authentication Password Authentication GSSAPI Authentication SSPI Authentication Ident Authentication Peer Authentication LDAP Authentication ...
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2answers
265 views

How to Disable Windows Authentication in SQL Server

I would like to say that as per my Organization requirement they want to Disable Windows Authentication in SQL Server. My Environment is as follows:- 1) Microsoft Azure 2) Windows Server 2016 3) ...
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1answer
121 views

Running loadjava with Windows authentication

I want to run following command under Windows with Oracle Database 12c installed: loadjava -force -genmissing -r -user username/password@database -verbose core-1.7.jar The problem is that I use ...
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1answer
156 views

How to verify if given user@host with 'password' exists in MySQL 8.0+?

I write sanity check script for an application. One of the tests is supposed to verify that a given user@host with 'password' exists in MySQL. I'm using simple native hash passwords. In MySQL5.7- ...
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1answer
304 views

Can the new “SCRAM-SHA-256” password authentication mechanism in Postgres 10 and later work with any JDBC drivers?

Postgres 10 added support for a new password authentication mechanism, Salted Challenge Response Authentication Mechanism (SCRAM-SHA-256, see RFC 7677). Discussed by Michael Paquier. ➥ Can this ...
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1answer
303 views

Can `listen_addresses` system configuration setting in Postgres stop pre-authentication exploits?

You can set various configuration parameters for Postgres by either editing the postgresql.conf file manually or by calling ALTER SYSTEM commands. One of those config settings is listen_addresses. ...
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2answers
1k views

Can't change authentication mode from Windows to both SQL Server and Windows

As the title suggests I'm having problems changing the authentication mode from Windows to both SQL Server and Windows mode in version 12.0.2. I have tried right right-clicking the server, go to ...
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1answer
30 views

Integrated Authentication vs? [closed]

my coworker and I had a debate and I am looking for Reddit to resolve it! We have PHP web apps running on IIS and are looking to setup the security to the database using one approach: -What would you ...
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2answers
50 views

Where is the cache for the MySQL caching_sha2_password auth plugin stored?

Where is the cache for the new default authentication plugin caching_sha2_password in MySQL 8 stored? I want to know for future reference how to clear it in case I ever run into any problems using it.
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1answer
47 views

ISO 27001 - resetting passwords for SQL Server accounts

We are implementing security changes in order to pass an ISO 27001 audit. We are in the process of setting all domain accounts (user accounts, admin accounts, service accounts) to have their passwords ...
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1answer
256 views

Cannot add Network Service as User/Login

I want to setup ProGet on a 2016 server with SQL Express and IIS. Both the service and IIS web runs under the Network Service user. None seem to be able to access the Database on a local SQL Express ...
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1answer
134 views

Authentication type differences in SQL Server

I want to know what is the difference between authentication types(NONE, WINDOWS, INSTANCE) in sys.database_principals table. I can't find clear explanation in documentation. Thanks
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1answer
43 views

Where is authentication information saved in master?

When using SQL Server Authentication mode, I know that usernames and hashed passwords are saved in the master database. I wonder is there a way to retrieve that information? If yes, which tables ...
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2answers
477 views

When setting up security for linked servers, what does the Impersonate checkbox do?

Question: what does this checkbox do?
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1answer
1k views

Using host names in `pg_hba.conf`?

According to the PostgreSQL documentation: A host name specification that starts with a dot (.) matches a suffix of the actual host name. So .example.com would match foo.example.com (but not ...
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1answer
1k views

The server principal “loginname” is not able to access the database “SSISDB” under the current security context

We have a stored procedure which calls an SSIS package from the SSISdb database. It works when run as myself using my domain account, however the VB6 application which will call this connects to the ...
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1answer
25k views

What is mysql_native_password?

I was trying to set password for root. When I run: mysql> SELECT * from mysql.user where User="root"; It shows: +-----------+------+-------------+-------------+-------------+-------------+-------...
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1answer
303 views

Remote login via rman working for one instance but not another

I have Oracle 12c installed on two servers. On server UAT I have an instance RMCAT that hosts an RMAN recovery catalog. On server EXT I have two instances, extdev02 and extuat01. I can use the ...
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1answer
321 views

MySQL - admin user is able to change password of the super user

I am new to MySQL administration and hence this question - I wanted to create a MySQL admin user who wasn't the super-user. I assumed Amazon RDS MySQL community server will be a good template to work ...
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0answers
508 views

Unable to start Oracle Listener - “The user name or password is incorrect”

I am trying to install Oracle Database 12c on a Windows Server 2012 machine. The installation goes well for the most part, except that I get the error "Oracle Net Services configuration failed" (that ...
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4answers
443 views

Windows authentification to SQL Server authentification

How to change login name from Windows authentification to SQL Server authentification?
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1answer
2k views

psql, I try to connect to a database and I get “psql: FATAL: Peer authentication failed for user ”, why?

I'm using psql (9.2.23) on my Dell Latitude 3540 laptop running Linux CentOS 7. I want to do a simple thing: create a database username and log in as that username. My operating system username is "...
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1answer
141 views

How do I enable md5 authentication for only one user?

I just installed Postgres 9.2 on CentOS 7. I want to keep peer authentication for all my users except one, which I would like to be able to access via "psql" through any user's account. I tried ...
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131 views

Best way forward for setting up Debian 9 / MariaDB (10.1.26-0+deb9u1) with root user Adminer access

I have a new Debian 9 LAMP server (includes MariaDB v10.1.26 rather than MySQL). I note that in this build, the debian-sys-maint user no longer exists. Instead a unix_socket is used to grant root user ...
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1answer
120 views

how to create ambari database backup without enter password

We configure the file .pgpass as follows in order to create database backups without entering a password: -bash-4.2$ more .pgpass localhost:5432:postgres:ambari:bigdata -bash-4.2$ pwd /var/lib/pgsql -...