Re: [GENERAL] [ADMIN] Regarding access to a user

2008-08-25 Thread Vishal Arora 




> Date: Mon, 25 Aug 2008 11:08:14 -0600> From: [EMAIL PROTECTED]> To: [EMAIL 
> PROTECTED]> Subject: Re: [ADMIN] Regarding access to a user> CC: [EMAIL 
> PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]; 
> pgsql-general@postgresql.org; [EMAIL PROTECTED]> > On Thu, Aug 21, 2008 at 
> 3:05 AM, Shashwat_Nigam> <[EMAIL PROTECTED]> wrote:> > Dear Vishal> >> > 
> Thanks for the help but by doing this an error is generated at the time when> 
> > the user is trying to log in with the following message:> >> > "> >> > 
> Access to database denied> >> > The server doesn't grant access to the 
> database: the server reports> >> > FATAL: no pg_hba.conf entry for host 
> "127.0.0.1", user "hmri", database> > "postgres", SSL off> > Notice that it 
> says database postgres??? User hmri doesn't have> permission to connect to 
> the the postgres database. you need to> connect to the hmri database.
He is using PgAdmin III to connect to the database. When you use pgAdminIII, it 
has one text field as Maintainance DB - that is by default marked as Postgres. 
Now when you make entries for specific user for specific database, you get this 
above error, if you do not change the maintainence db to the same as the user 
wants to connect to. 
 
 
> 
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Re: [GENERAL] [ADMIN] Regarding access to a user

2008-08-25 Thread Scott Marlowe 
On Thu, Aug 21, 2008 at 3:05 AM, Shashwat_Nigam
<[EMAIL PROTECTED]> wrote:
> Dear Vishal
>
> Thanks for the help but by doing this an error is generated at the time when
> the user is trying to log in  with the following message:
>
> "
>
> Access to database denied
>
> The server doesn't grant access to the database: the server reports
>
> FATAL: no pg_hba.conf entry for host "127.0.0.1", user "hmri", database
> "postgres", SSL off

Notice that it says database postgres???  User hmri doesn't have
permission to connect to the the postgres database.  you need to
connect to the hmri database.

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Re: [GENERAL] [ADMIN] Regarding access to a user

2008-08-21 Thread Albe Laurenz 
Shashwat_Nigam wrote:
> Thanks for the help. But still the user is able to see all 
> the databases. I defined something like this
> 
> # IPv4 local connections:
> hostall all 127.0.0.1/32  md5
> hostHMRI_database   hmri127.0.0.1/32  md5
> 
> 
> in the above case hmri is user and HMRI_database. But still 
> when user is log in as 'hmri' it is able to access all the databases.
> Please provide a solution for the same.

Remove the first line, and you'll be fine.

PostgreSQL uses the first line in pg_hba.conf that matches the
incoming connection.

Yours,
Laurenz Albe

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Re: [GENERAL] [ADMIN] Regarding access to a user

2008-08-21 Thread Shashwat_Nigam 
Hi Vishal

Ya you are right and the order is same and the command is like that only.

I am opening it through pgAdmin only..
Thanks & Regards,
Shashwat Nigam
| Software Engineer | Geographical Information System
Satyam Computer Services Limited, Hyderabad | MOBILE: 
+919951467324 |

From: Vishal Arora [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 21, 2008 2:47 PM
To: Shashwat_Nigam; [EMAIL PROTECTED]
Subject: RE: [ADMIN] Regarding access to a user


Hi Shashwat,

I presume your user is hmri and the database is hmri_database, is it correct?

if yes - your pg_hba.conf entry should be as following (if you are connecting 
to postgres on the same machine)


host hmri_database hmri 127.0.0.1/32 md5

Can you tell me what command are you using to connect to the server and what 
environment is it?


Regards

Vishal


From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]
CC: pgsql-general@postgresql.org; [EMAIL PROTECTED]; [EMAIL PROTECTED]
Date: Thu, 21 Aug 2008 14:35:43 +0530
Subject: Re: [ADMIN] Regarding access to a user

Dear Vishal
Thanks for the help but by doing this an error is generated at the time when 
the user is trying to log in  with the following message:
"
Access to database denied
The server doesn't grant access to the database: the server reports
FATAL: no pg_hba.conf entry for host "127.0.0.1", user "hmri", database 
"postgres", SSL off
To access a database on a PostgreSQL server, you first have to grant primary 
access to the server for your client (Host Based Authentication). PostgreSQL 
will check the pg_hba.conf file if a pattern that matches your client address / 
username / database is present and enabled before any SQL GRANT access control 
lists are evaluated.
The initial settings in pg_hba.conf are quite restrictive, in order to avoid 
unwanted security holes caused by unreviewed but mandatory system settings. 
You'll probably want to add something like
host all all 192.168.0.0/24 md5
This example grants MD5 encrypted password access to all databases to all users 
on the private network 192.168.0.0/24.
You can use the pg_hba.conf editor that is built into pgAdmin III to edit the 
pg_hba.conf configuration file. After changing pg_hba.conf, you need to trigger 
a server configuration reload using pg_ctl or by stopping and restarting the 
server process.
"
Please provide futher proceedings
Thanks & Regards,
Shashwat Nigam
| Software Engineer | Geographical Information System
Satyam Computer Services Limited, Hyderabad | MOBILE: 
+919951467324 |

From: Vishal Arora [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 21, 2008 2:29 PM
To: Shashwat_Nigam
Cc: [EMAIL PROTECTED]
Subject: RE: [ADMIN] Regarding access to a user






> From: [EMAIL PROTECTED]
> To: [EMAIL PROTECTED]
> CC: pgsql-general@postgresql.org; [EMAIL PROTECTED]; [EMAIL PROTECTED]
> Date: Thu, 21 Aug 2008 14:23:51 +0530
> Subject: Re: [ADMIN] Regarding access to a user
>
> Dear Kevin
> Thanks for the help. But still the user is able to see all the databases. I 
> defined something like this
>
> # IPv4 local connections:
> host all all 127.0.0.1/32 md5
> host HMRI_database hmri 127.0.0.1/32 md5

You have to comment out the first entry made in your hba file. In this case it 
checks for the first line where all users are allowed to access all databases 
so it does not checks the second line.

>
> in the above case hmri is user and HMRI_database. But still when user is log 
> in as 'hmri' it is able to access all the databases.
> Please provide a solution for the same.
>
> Thanks & Regards,
> Shashwat Nigam
> | Software Engineer | Geographical Information System
> Satyam Computer Services Limited, Hyderabad | MOBILE: +919951467324 |
>
> -Original Message-
> From: Kevin Grittner [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, August 20, 2008 6:41 PM
> To: [EMAIL PROTECTED]; Shashwat_Nigam
> Cc: pgsql-general@postgresql.org; [EMAIL PROTECTED]
> Subject: Re: [ADMIN] Regarding access to a user
>
> >>> Shashwat_Nigam <[EMAIL PROTECTED]> wrote:
>
> > Now what I want is to set privilege that whenever the user log in as
> Us
> > he can only see database Y, none other than that. The user Us could
> have all
> > rights for database Y but can't go for any other database (X or Z).
>
> The first thing you need to do is configure "host based
> authentication":
>
> http://www.postgresql.org/docs/8.3/interactive/auth-pg-hba-conf.html
>
> Among other things, this allows you to restrict which users can
> connect to which databases.
>
> -Kevin
>
>
> DISCLAIMER:
> This email (including any attachments) is intended for the sole use of the 
> intended recipient/s and may contain material that is CONFIDENTIAL AND 
> PRIVATE COMPANY INFORMATION. Any review or reliance by others or copying or 
> distribution or forwarding of any or all of the contents in this

Re: [GENERAL] [ADMIN] Regarding access to a user

2008-08-21 Thread Tomasz Ostrowski 
On 2008-08-21 11:12, Shashwat_Nigam wrote:

> I had done the same but still the problem is like that the user is
> able to access all the databases in the current server. Even the
> order is like same and if I comment the second line(all access) then
> the error is there.

You did issue "pg_ctl reload" or restart postgresql after making changes
to pg_hba.conf?

http://www.postgresql.org/docs/8.3/interactive/auth-pg-hba-conf.html
The pg_hba.conf file is read on start-up and when the main
server process receives a SIGHUP signal. If you edit the file
on an active system, you will need to signal the server (using
pg_ctl reload or kill -HUP) to make it re-read the file.

> Please provide solution for the same.

Please read the fine manual.

Regards
Tometzky
-- 
...although Eating Honey was a very good thing to do, there was a
moment just before you began to eat it which was better than when you
were...
  Winnie the Pooh

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Re: [GENERAL] [ADMIN] Regarding access to a user

2008-08-21 Thread Shashwat_Nigam 
Dear Tomasz
I had done the same but still the problem is like that the user is able to 
access all the databases in the current server. Even the order is like same and 
if I comment the second line(all access) then the error is there.
Please provide solution for the same.

Thanks & Regards,
Shashwat Nigam
| Software Engineer | Geographical Information System
Satyam Computer Services Limited, Hyderabad | MOBILE: +919951467324 |


-Original Message-
From: Tomasz Ostrowski [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 21, 2008 2:37 PM
To: Shashwat_Nigam
Cc: pgsql-general@postgresql.org; [EMAIL PROTECTED]
Subject: Re: [ADMIN] Regarding access to a user

On 2008-08-21 10:53, Shashwat_Nigam wrote:

> hostall all 127.0.0.1/32  md5
> hostHMRI_database   hmri127.0.0.1/32  md5
> in the above case hmri is user and HMRI_database. But still when user
> is log in as 'hmri' it is able to access all the databases.

Order matters:
hostHMRI_database   hmri127.0.0.1/32  md5
hostall all 127.0.0.1/32  md5

Regards
Tometzky
--
...although Eating Honey was a very good thing to do, there was a
moment just before you began to eat it which was better than when you
were...
  Winnie the Pooh


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Re: [GENERAL] [ADMIN] Regarding access to a user

2008-08-21 Thread Tomasz Ostrowski 
On 2008-08-21 10:53, Shashwat_Nigam wrote:

> hostall all 127.0.0.1/32  md5
> hostHMRI_database   hmri127.0.0.1/32  md5
> in the above case hmri is user and HMRI_database. But still when user
> is log in as 'hmri' it is able to access all the databases.

Order matters:
hostHMRI_database   hmri127.0.0.1/32  md5
hostall all 127.0.0.1/32  md5

Regards
Tometzky
-- 
...although Eating Honey was a very good thing to do, there was a
moment just before you began to eat it which was better than when you
were...
  Winnie the Pooh

-- 
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Re: [GENERAL] [ADMIN] Regarding access to a user

2008-08-21 Thread Shashwat_Nigam 
Dear Vishal
Thanks for the help but by doing this an error is generated at the time when 
the user is trying to log in  with the following message:
"
Access to database denied
The server doesn't grant access to the database: the server reports
FATAL: no pg_hba.conf entry for host "127.0.0.1", user "hmri", database 
"postgres", SSL off
To access a database on a PostgreSQL server, you first have to grant primary 
access to the server for your client (Host Based Authentication). PostgreSQL 
will check the pg_hba.conf file if a pattern that matches your client address / 
username / database is present and enabled before any SQL GRANT access control 
lists are evaluated.
The initial settings in pg_hba.conf are quite restrictive, in order to avoid 
unwanted security holes caused by unreviewed but mandatory system settings. 
You'll probably want to add something like
host all all 192.168.0.0/24 md5
This example grants MD5 encrypted password access to all databases to all users 
on the private network 192.168.0.0/24.
You can use the pg_hba.conf editor that is built into pgAdmin III to edit the 
pg_hba.conf configuration file. After changing pg_hba.conf, you need to trigger 
a server configuration reload using pg_ctl or by stopping and restarting the 
server process.
"
Please provide futher proceedings
Thanks & Regards,
Shashwat Nigam
| Software Engineer | Geographical Information System
Satyam Computer Services Limited, Hyderabad | MOBILE: 
+919951467324 |

From: Vishal Arora [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 21, 2008 2:29 PM
To: Shashwat_Nigam
Cc: [EMAIL PROTECTED]
Subject: RE: [ADMIN] Regarding access to a user







> From: [EMAIL PROTECTED]
> To: [EMAIL PROTECTED]
> CC: pgsql-general@postgresql.org; [EMAIL PROTECTED]; [EMAIL PROTECTED]
> Date: Thu, 21 Aug 2008 14:23:51 +0530
> Subject: Re: [ADMIN] Regarding access to a user
>
> Dear Kevin
> Thanks for the help. But still the user is able to see all the databases. I 
> defined something like this
>
> # IPv4 local connections:
> host all all 127.0.0.1/32 md5
> host HMRI_database hmri 127.0.0.1/32 md5

You have to comment out the first entry made in your hba file. In this case it 
checks for the first line where all users are allowed to access all databases 
so it does not checks the second line.

>
> in the above case hmri is user and HMRI_database. But still when user is log 
> in as 'hmri' it is able to access all the databases.
> Please provide a solution for the same.
>
> Thanks & Regards,
> Shashwat Nigam
> | Software Engineer | Geographical Information System
> Satyam Computer Services Limited, Hyderabad | MOBILE: +919951467324 |
>
> -Original Message-
> From: Kevin Grittner [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, August 20, 2008 6:41 PM
> To: [EMAIL PROTECTED]; Shashwat_Nigam
> Cc: pgsql-general@postgresql.org; [EMAIL PROTECTED]
> Subject: Re: [ADMIN] Regarding access to a user
>
> >>> Shashwat_Nigam <[EMAIL PROTECTED]> wrote:
>
> > Now what I want is to set privilege that whenever the user log in as
> Us
> > he can only see database Y, none other than that. The user Us could
> have all
> > rights for database Y but can't go for any other database (X or Z).
>
> The first thing you need to do is configure "host based
> authentication":
>
> http://www.postgresql.org/docs/8.3/interactive/auth-pg-hba-conf.html
>
> Among other things, this allows you to restrict which users can
> connect to which databases.
>
> -Kevin
>
>
> DISCLAIMER:
> This email (including any attachments) is intended for the sole use of the 
> intended recipient/s and may contain material that is CONFIDENTIAL AND 
> PRIVATE COMPANY INFORMATION. Any review or reliance by others or copying or 
> distribution or forwarding of any or all of the contents in this message is 
> STRICTLY PROHIBITED. If you are not the intended recipient, please contact 
> the sender by email and delete all copies; your cooperation in this regard is 
> appreciated.
>
> --
> Sent via pgsql-admin mailing list ([EMAIL PROTECTED])
> To make changes to your subscription:
> http://www.postgresql.org/mailpref/pgsql-admin


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This email (including any attachments) is intended for the sole use of the 
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COMPANY INFORMATION. Any review or reliance by others or copying or 
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Re: [GENERAL] [ADMIN] Regarding access to a user

2008-08-21 Thread Shashwat_Nigam 
Dear Kevin
Thanks for the help. But still the user is able to see all the databases. I 
defined something like this

# IPv4 local connections:
hostall all 127.0.0.1/32  md5
hostHMRI_database   hmri127.0.0.1/32  md5


in the above case hmri is user and HMRI_database. But still when user is log in 
as 'hmri' it is able to access all the databases.
Please provide a solution for the same.

Thanks & Regards,
Shashwat Nigam
| Software Engineer | Geographical Information System
Satyam Computer Services Limited, Hyderabad | MOBILE: +919951467324 |

-Original Message-
From: Kevin Grittner [mailto:[EMAIL PROTECTED]
Sent: Wednesday, August 20, 2008 6:41 PM
To: [EMAIL PROTECTED]; Shashwat_Nigam
Cc: pgsql-general@postgresql.org; [EMAIL PROTECTED]
Subject: Re: [ADMIN] Regarding access to a user

>>> Shashwat_Nigam <[EMAIL PROTECTED]> wrote:

> Now what I want is to set privilege that whenever the user log in as
Us
> he can only see database Y, none other than that. The user Us could
have all
> rights for database Y but can't  go for any other database (X or Z).

The first thing you need to do is configure "host based
authentication":

http://www.postgresql.org/docs/8.3/interactive/auth-pg-hba-conf.html

Among other things, this allows you to restrict which users can
connect to which databases.

-Kevin


DISCLAIMER:
This email (including any attachments) is intended for the sole use of the 
intended recipient/s and may contain material that is CONFIDENTIAL AND PRIVATE 
COMPANY INFORMATION. Any review or reliance by others or copying or 
distribution or forwarding of any or all of the contents in this message is 
STRICTLY PROHIBITED. If you are not the intended recipient, please contact the 
sender by email and delete all copies; your cooperation in this regard is 
appreciated.

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Re: [GENERAL] [ADMIN] Regarding access to a user

2008-08-20 Thread Kevin Grittner 
>>> Shashwat_Nigam <[EMAIL PROTECTED]> wrote: 
 
> Now what I want is to set privilege that whenever the user log in as
Us 
> he can only see database Y, none other than that. The user Us could
have all 
> rights for database Y but can't  go for any other database (X or Z).
 
The first thing you need to do is configure "host based
authentication":
 
http://www.postgresql.org/docs/8.3/interactive/auth-pg-hba-conf.html
 
Among other things, this allows you to restrict which users can
connect to which databases.
 
-Kevin

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