Re: Disable executing external commands from psql?

From: Ken Tanzer <ken(dot)tanzer(at)gmail(dot)com>
To: Craig Ringer <craig(at)postnewspapers(dot)com(dot)au>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-general(at)postgresql(dot)org
Subject: Re: Disable executing external commands from psql?
Date: 2010-06-02 01:53:24
Message-ID: 4C05B994.1020706@gmail.com
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OK, hadn't seen your response (and Stephen Frost's) before sending
mine. I think I hear everybody loud and clear--bad idea!

Ken

On 06/01/2010 06:47 PM, Craig Ringer wrote:
> On 02/06/10 08:06, Ken Tanzer wrote:
>
>
>> Somehow, exposing my database ports to the internet scares me more than
>> any (possibly crazy) stuff I'm trying to do. :)
>>
> Why? Surely it's less scary than exposing ssh+shell access (!!), even if
> you think the shell is locked down to running only a crippled version of
> psql.
>
> You can use SSL with client certificates to lock down access to the
> database if you don't trust simple SSL-protected username/password
> authentication alone.
>
> Given the choice, I'd expose Pg to the Internet _any_ day before even
> considering exposing semi-public ssh access when I didn't absolutely
> have to.
>
>
>> But seriously I think I need to give them accounts--I'm setting up
>> online instances of a web app, so they have a set of (editable) PHP
>> files, possibly some storage, a log file, etc. It seemed that setting
>> each up as its own user was better than going through some uber-process
>> that had access to all the files.
>>
> Sounds like you need to provide them with a web interface to do the
> work, and have the web app talk to Pg.
>
> --
> Craig Ringer
>

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